[INFO] fetching crate chain_peer 0.1.1... [INFO] checking chain_peer-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate chain_peer 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate chain_peer 0.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chain_peer 0.1.1 [INFO] finished tweaking crates.io crate chain_peer 0.1.1 [INFO] tweaked toml for crates.io crate chain_peer 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 31 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding byteorder v0.3.13 (latest: v1.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding slab v0.3.0 (latest: v0.4.9) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded env_logger v0.3.5 [INFO] [stderr] Downloaded slab v0.3.0 [INFO] [stderr] Downloaded byteorder v0.3.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eebcbdb68b0368b5319f7e05beb75fd50632ae62814b4a0fba654cee8114b0c5 [INFO] running `Command { std: "docker" "start" "-a" "eebcbdb68b0368b5319f7e05beb75fd50632ae62814b4a0fba654cee8114b0c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eebcbdb68b0368b5319f7e05beb75fd50632ae62814b4a0fba654cee8114b0c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eebcbdb68b0368b5319f7e05beb75fd50632ae62814b4a0fba654cee8114b0c5", kill_on_drop: false }` [INFO] [stdout] eebcbdb68b0368b5319f7e05beb75fd50632ae62814b4a0fba654cee8114b0c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1f42c5901609aa9ad959427d804b44dc3031e5e7587a28b3d91e54a6c80c705 [INFO] running `Command { std: "docker" "start" "-a" "f1f42c5901609aa9ad959427d804b44dc3031e5e7587a28b3d91e54a6c80c705", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking byteorder v0.3.13 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking chain_peer v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/peer/peer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/peer/peer.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/peer/server.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use mio::{channel, Events, Poll, PollOpt, Ready, Token}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `slab` is imported redundantly [INFO] [stdout] --> src/peer/server.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use slab; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate slab; [INFO] [stdout] | ------------------ the item `slab` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/peer/server.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | try!(self.register(poll)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/peer/server.rs:60:23 [INFO] [stdout] | [INFO] [stdout] 60 | let cnt = try!(poll.poll(&mut self.events, None)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/peer/server.rs:270:35 [INFO] [stdout] | [INFO] [stdout] 270 | while let Some(message) = try!(self.find_connection_by_token(token).readable()) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Events` [INFO] [stdout] --> src/peer/client.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use mio::{Events, Ready, Poll, PollOpt, Token}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/peer/peer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mio::unix::UnixReady` [INFO] [stdout] --> src/peer/client.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use mio::unix::UnixReady; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/peer/peer.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `channel` [INFO] [stdout] --> src/peer/server.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use mio::{channel, Events, Poll, PollOpt, Ready, Token}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `slab` is imported redundantly [INFO] [stdout] --> src/peer/server.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use slab; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate slab; [INFO] [stdout] | ------------------ the item `slab` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/peer/server.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | try!(self.register(poll)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/peer/server.rs:60:23 [INFO] [stdout] | [INFO] [stdout] 60 | let cnt = try!(poll.poll(&mut self.events, None)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/peer/client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/peer/server.rs:270:35 [INFO] [stdout] | [INFO] [stdout] 270 | while let Some(message) = try!(self.find_connection_by_token(token).readable()) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Events` [INFO] [stdout] --> src/peer/client.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use mio::{Events, Ready, Poll, PollOpt, Token}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mio::unix::UnixReady` [INFO] [stdout] --> src/peer/client.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use mio::unix::UnixReady; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/peer/client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ErrorKind`, `Error` [INFO] [stdout] --> src/peer/client.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{Error, ErrorKind}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/peer/connection.rs:65:29 [INFO] [stdout] | [INFO] [stdout] 65 | let msg_len = match try!(self.read_message_length()) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ErrorKind`, `Error` [INFO] [stdout] --> src/peer/client.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{Error, ErrorKind}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/peer/connection.rs:65:29 [INFO] [stdout] | [INFO] [stdout] 65 | let msg_len = match try!(self.read_message_length()) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `mio::channel`: use mio-extras instead [INFO] [stdout] --> src/peer/server.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use mio::{channel, Events, Poll, PollOpt, Ready, Token}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `mio::channel`: use mio-extras instead [INFO] [stdout] --> src/peer/server.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use mio::{channel, Events, Poll, PollOpt, Ready, Token}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `mio::Events::len`: Index access removed in favor of iterator only API. [INFO] [stdout] --> src/peer/server.rs:64:76 [INFO] [stdout] | [INFO] [stdout] 64 | trace!("processing events... cnt={}; len={}", cnt, self.events.len()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `mio::Events::len`: Index access removed in favor of iterator only API. [INFO] [stdout] --> src/peer/server.rs:64:76 [INFO] [stdout] | [INFO] [stdout] 64 | trace!("processing events... cnt={}; len={}", cnt, self.events.len()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `mio::Events::get`: Index access removed in favor of iterator only API. [INFO] [stdout] --> src/peer/server.rs:74:41 [INFO] [stdout] | [INFO] [stdout] 74 | let event = self.events.get(i).expect("Failed to get event"); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `mio::Events::get`: Index access removed in favor of iterator only API. [INFO] [stdout] --> src/peer/server.rs:74:41 [INFO] [stdout] | [INFO] [stdout] 74 | let event = self.events.get(i).expect("Failed to get event"); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w_q_clone` [INFO] [stdout] --> src/peer/peer.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let w_q_clone = w_q.clone(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_w_q_clone` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w_q_clone` [INFO] [stdout] --> src/peer/peer.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let w_q_clone = w_q.clone(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_w_q_clone` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/peer.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut cache = self.client_r.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/peer.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut cache = self.client_r.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/peer.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | let mut cache = self.client_w.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/peer.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | let mut cache = self.client_w.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `caches` [INFO] [stdout] --> src/peer/server.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let caches = self.caches.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_caches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `caches` [INFO] [stdout] --> src/peer/server.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let caches = self.caches.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_caches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/server.rs:171:17 [INFO] [stdout] | [INFO] [stdout] 171 | let mut w_cache = caches_clone.lock().unwrap().get_mut(&key).unwrap().clone(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/server.rs:171:17 [INFO] [stdout] | [INFO] [stdout] 171 | let mut w_cache = caches_clone.lock().unwrap().get_mut(&key).unwrap().clone(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/server.rs:218:13 [INFO] [stdout] | [INFO] [stdout] 218 | let mut caches = self.caches.clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/server.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | let mut r_caches = self.r_caches.clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/server.rs:218:13 [INFO] [stdout] | [INFO] [stdout] 218 | let mut caches = self.caches.clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/server.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | let mut r_caches = self.r_caches.clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/server.rs:269:13 [INFO] [stdout] | [INFO] [stdout] 269 | let mut r_caches = self.r_caches.clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/server.rs:269:13 [INFO] [stdout] | [INFO] [stdout] 269 | let mut r_caches = self.r_caches.clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/peer/client.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/peer/client.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/client.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut cache = self.r_cache.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/peer/client.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut cache = self.r_cache.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `shutdown` is never read [INFO] [stdout] --> src/peer/client.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | shutdown: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `shutdown` is never read [INFO] [stdout] --> src/peer/client.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | shutdown: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/peer.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | poll.register(&stream, Token(100_000_001), Ready::writable(), PollOpt::edge()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 96 | let _ = poll.register(&stream, Token(100_000_001), Ready::writable(), PollOpt::edge()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/peer.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | poll.poll(&mut events, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = poll.poll(&mut events, None); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/peer.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | client.readable(&mut poll); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 105 | let _ = client.readable(&mut poll); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/server.rs:277:13 [INFO] [stdout] | [INFO] [stdout] 277 | c.send_message(Rc::new(Vec::new())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 277 | let _ = c.send_message(Rc::new(Vec::new())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/peer.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | poll.register(&stream, Token(100_000_001), Ready::writable(), PollOpt::edge()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 96 | let _ = poll.register(&stream, Token(100_000_001), Ready::writable(), PollOpt::edge()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/peer.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | poll.poll(&mut events, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = poll.poll(&mut events, None); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/client.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | poll.reregister(&self.sock, self.token, Ready::writable(), PollOpt::edge()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 60 | let _ = poll.reregister(&self.sock, self.token, Ready::writable(), PollOpt::edge()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/peer.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | client.readable(&mut poll); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 105 | let _ = client.readable(&mut poll); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/client.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | / poll.reregister(&self.sock, self.token, self.interest, [INFO] [stdout] 108 | | PollOpt::edge()); [INFO] [stdout] | |__________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = poll.reregister(&self.sock, self.token, self.interest, [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/server.rs:277:13 [INFO] [stdout] | [INFO] [stdout] 277 | c.send_message(Rc::new(Vec::new())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 277 | let _ = c.send_message(Rc::new(Vec::new())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/client.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | poll.reregister(&self.sock, self.token, Ready::writable(), PollOpt::edge()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 60 | let _ = poll.reregister(&self.sock, self.token, Ready::writable(), PollOpt::edge()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peer/client.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | / poll.reregister(&self.sock, self.token, self.interest, [INFO] [stdout] 108 | | PollOpt::edge()); [INFO] [stdout] | |__________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = poll.reregister(&self.sock, self.token, self.interest, [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 32 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 32 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut r_q = Arc::new(Mutex::new(HashMap::new())); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut r_q = Arc::new(Mutex::new(HashMap::new())); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut w_q = Arc::new(Mutex::new(HashMap::new())); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut w_q = Arc::new(Mutex::new(HashMap::new())); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut client_r = Arc::new(Mutex::new(Vec::new())); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut client_r = Arc::new(Mutex::new(Vec::new())); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut client_w = Arc::new(Mutex::new(Vec::new())); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut client_w = Arc::new(Mutex::new(Vec::new())); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut r_clone = r_q.clone(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut r_clone = r_q.clone(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut w_clone = w_q.clone(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut w_clone = w_q.clone(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut c_r = client_r.clone(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut c_r = client_r.clone(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut c_w = client_w.clone(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut c_w = client_w.clone(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "f1f42c5901609aa9ad959427d804b44dc3031e5e7587a28b3d91e54a6c80c705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1f42c5901609aa9ad959427d804b44dc3031e5e7587a28b3d91e54a6c80c705", kill_on_drop: false }` [INFO] [stdout] f1f42c5901609aa9ad959427d804b44dc3031e5e7587a28b3d91e54a6c80c705 [INFO] checking chain_peer-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate chain_peer 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate chain_peer 0.1.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chain_peer 0.1.1 [INFO] finished tweaking crates.io crate chain_peer 0.1.1 [INFO] tweaked toml for crates.io crate chain_peer 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f3d38c2a6f345dda7e4643f10432b11bde8c7b843f3c062732b0220dd3f1c8a [INFO] running `Command { std: "docker" "start" "-a" "1f3d38c2a6f345dda7e4643f10432b11bde8c7b843f3c062732b0220dd3f1c8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f3d38c2a6f345dda7e4643f10432b11bde8c7b843f3c062732b0220dd3f1c8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f3d38c2a6f345dda7e4643f10432b11bde8c7b843f3c062732b0220dd3f1c8a", kill_on_drop: false }` [INFO] [stdout] 1f3d38c2a6f345dda7e4643f10432b11bde8c7b843f3c062732b0220dd3f1c8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c0e84f613202cd3ddf9753ae1dbe457e337e9db1dc8162d94a318148f845f62 [INFO] running `Command { std: "docker" "start" "-a" "4c0e84f613202cd3ddf9753ae1dbe457e337e9db1dc8162d94a318148f845f62", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking byteorder v0.3.13 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.80/src/exec.rs:726:13 [INFO] [stdout] | [INFO] [stdout] 726 | / match dfa::Fsm::reverse( [INFO] [stdout] 727 | | &self.ro.dfa_reverse, [INFO] [stdout] 728 | | &self.cache, [INFO] [stdout] 729 | | false, [INFO] [stdout] ... | [INFO] [stdout] 736 | | Quit => return Some(Quit), [INFO] [stdout] 737 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4c0e84f613202cd3ddf9753ae1dbe457e337e9db1dc8162d94a318148f845f62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c0e84f613202cd3ddf9753ae1dbe457e337e9db1dc8162d94a318148f845f62", kill_on_drop: false }` [INFO] [stdout] 4c0e84f613202cd3ddf9753ae1dbe457e337e9db1dc8162d94a318148f845f62