[INFO] cloning repository https://github.com/bagedevimo/diffuse [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bagedevimo/diffuse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbagedevimo%2Fdiffuse", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbagedevimo%2Fdiffuse'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9d4df647816941b5b608f6305d5145062b3098a [INFO] checking bagedevimo/diffuse against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbagedevimo%2Fdiffuse" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bagedevimo/diffuse on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bagedevimo/diffuse [INFO] finished tweaking git repo https://github.com/bagedevimo/diffuse [INFO] tweaked toml for git repo https://github.com/bagedevimo/diffuse written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/bagedevimo/diffuse already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fad7456563441050604fb87c9380b220bda355a7da530eb5b041f8f1336709e5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fad7456563441050604fb87c9380b220bda355a7da530eb5b041f8f1336709e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fad7456563441050604fb87c9380b220bda355a7da530eb5b041f8f1336709e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fad7456563441050604fb87c9380b220bda355a7da530eb5b041f8f1336709e5", kill_on_drop: false }` [INFO] [stdout] fad7456563441050604fb87c9380b220bda355a7da530eb5b041f8f1336709e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 940e4e2a929fd5eb5f45ea686ad37349a362bf55a0e4bc46e9588c4d5886ace0 [INFO] running `Command { std: "docker" "start" "-a" "940e4e2a929fd5eb5f45ea686ad37349a362bf55a0e4bc46e9588c4d5886ace0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking futures v0.1.27 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Checking futures-sink v0.3.3 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Checking futures-core v0.3.3 [INFO] [stderr] Checking futures-io v0.3.3 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking futures-task v0.3.3 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking tokio-trace-core v0.2.0 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking futures-channel v0.3.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-async-await v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking async-bincode v0.4.9 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.3 [INFO] [stderr] Checking futures-util v0.3.3 [INFO] [stderr] Checking futures-executor v0.3.3 [INFO] [stderr] Checking futures v0.3.3 [INFO] [stderr] Checking diffuse v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/git/connection.rs:157:13 [INFO] [stdout] | [INFO] [stdout] 157 | let mut raw_data: [u8; 2] = [210, 35]; [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/git/connection.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | secondary_cursor.read(&mut new_byte); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/git/record.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | reader.read(&mut oid); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/git/record.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | input.read(&mut bufs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/git/connection.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | secondary_cursor.read(&mut new_byte); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/git/record.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | reader.read(&mut oid); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/git/record.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | input.read(&mut bufs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let input = io::stdin(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let input = io::stdin(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:30:45 [INFO] [stdout] | [INFO] [stdout] 30 | diffuse::git::Packet::Message { size, data } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `size: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:30:45 [INFO] [stdout] | [INFO] [stdout] 30 | diffuse::git::Packet::Message { size, data } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `size: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:30:51 [INFO] [stdout] | [INFO] [stdout] 30 | diffuse::git::Packet::Message { size, data } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `data: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:30:51 [INFO] [stdout] | [INFO] [stdout] 30 | diffuse::git::Packet::Message { size, data } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `data: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut cursor = std::io::Cursor::new(buffer); [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/bin/diffuse_recv_pack.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut cursor = std::io::Cursor::new(buffer); [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: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | std::io::stdin().lock().read_to_end(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/diffuse_recv_pack.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | std::io::stdin().lock().read_to_end(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.89s [INFO] running `Command { std: "docker" "inspect" "940e4e2a929fd5eb5f45ea686ad37349a362bf55a0e4bc46e9588c4d5886ace0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "940e4e2a929fd5eb5f45ea686ad37349a362bf55a0e4bc46e9588c4d5886ace0", kill_on_drop: false }` [INFO] [stdout] 940e4e2a929fd5eb5f45ea686ad37349a362bf55a0e4bc46e9588c4d5886ace0