[INFO] fetching crate mirai 0.0.4... [INFO] checking mirai-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate mirai 0.0.4 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mirai 0.0.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mirai 0.0.4 [INFO] finished tweaking crates.io crate mirai 0.0.4 [INFO] tweaked toml for crates.io crate mirai 0.0.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 77 packages [INFO] [stderr] Adding matchers v0.0.1 (latest: v0.1.0) [INFO] [stderr] Adding mio v0.7.14 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding ntapi v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.6) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding tracing-log v0.1.4 (latest: v0.2.0) [INFO] [stderr] Adding tracing-subscriber v0.2.25 (latest: v0.3.18) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ed00faccb4dac838cdb9ff34ecd26dcc1a14b1dbca35a54dd05df53b08eb149 [INFO] running `Command { std: "docker" "start" "-a" "5ed00faccb4dac838cdb9ff34ecd26dcc1a14b1dbca35a54dd05df53b08eb149", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ed00faccb4dac838cdb9ff34ecd26dcc1a14b1dbca35a54dd05df53b08eb149", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ed00faccb4dac838cdb9ff34ecd26dcc1a14b1dbca35a54dd05df53b08eb149", kill_on_drop: false }` [INFO] [stdout] 5ed00faccb4dac838cdb9ff34ecd26dcc1a14b1dbca35a54dd05df53b08eb149 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 144b640fa7267cdd208bd1d03adb93cb5a32b69e164143a072e2a5a6f7d12eaa [INFO] running `Command { std: "docker" "start" "-a" "144b640fa7267cdd208bd1d03adb93cb5a32b69e164143a072e2a5a6f7d12eaa", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking mirai v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `SocketAddr` is imported redundantly [INFO] [stdout] --> src/tcp.rs:255:23 [INFO] [stdout] | [INFO] [stdout] 255 | net::{IpAddr, SocketAddr}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 266 | use crate::{tcp::*, tests::init_test_log, PollDriver}; [INFO] [stdout] | ------ the item `SocketAddr` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/tcp.rs:257:9 [INFO] [stdout] | [INFO] [stdout] 257 | task::Poll, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 266 | use crate::{tcp::*, tests::init_test_log, PollDriver}; [INFO] [stdout] | ------ the item `Poll` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SocketAddr` is imported redundantly [INFO] [stdout] --> src/udp.rs:182:23 [INFO] [stdout] | [INFO] [stdout] 182 | net::{IpAddr, SocketAddr}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 191 | use crate::{tests::init_test_log, udp::*, PollDriver}; [INFO] [stdout] | ------ the item `SocketAddr` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/udp.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct UdpSocket { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | token: Arc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UdpSocket` has a derived impl for the trait `Clone`, 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/udp.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct UdpSocket { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | token: Arc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UdpSocket` has a derived impl for the trait `Clone`, 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.31s [INFO] running `Command { std: "docker" "inspect" "144b640fa7267cdd208bd1d03adb93cb5a32b69e164143a072e2a5a6f7d12eaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "144b640fa7267cdd208bd1d03adb93cb5a32b69e164143a072e2a5a6f7d12eaa", kill_on_drop: false }` [INFO] [stdout] 144b640fa7267cdd208bd1d03adb93cb5a32b69e164143a072e2a5a6f7d12eaa [INFO] checking mirai-0.0.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate mirai 0.0.4 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mirai 0.0.4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mirai 0.0.4 [INFO] finished tweaking crates.io crate mirai 0.0.4 [INFO] tweaked toml for crates.io crate mirai 0.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a03dd3d585d1501608f7ff8e450435cb7ba640d58bade79823c8fc3acfa78b22 [INFO] running `Command { std: "docker" "start" "-a" "a03dd3d585d1501608f7ff8e450435cb7ba640d58bade79823c8fc3acfa78b22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a03dd3d585d1501608f7ff8e450435cb7ba640d58bade79823c8fc3acfa78b22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a03dd3d585d1501608f7ff8e450435cb7ba640d58bade79823c8fc3acfa78b22", kill_on_drop: false }` [INFO] [stdout] a03dd3d585d1501608f7ff8e450435cb7ba640d58bade79823c8fc3acfa78b22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0bc180155b130db3edeaa803bfe36eec1006dfd15a0037d2468dd0a052aa8563 [INFO] running `Command { std: "docker" "start" "-a" "0bc180155b130db3edeaa803bfe36eec1006dfd15a0037d2468dd0a052aa8563", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking mirai v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/udp.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct UdpSocket { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | token: Arc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UdpSocket` has a derived impl for the trait `Clone`, 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SocketAddr` is imported redundantly [INFO] [stdout] --> src/tcp.rs:255:23 [INFO] [stdout] | [INFO] [stdout] 255 | net::{IpAddr, SocketAddr}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 266 | use crate::{tcp::*, tests::init_test_log, PollDriver}; [INFO] [stdout] | ------ the item `SocketAddr` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/tcp.rs:257:9 [INFO] [stdout] | [INFO] [stdout] 257 | task::Poll, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 266 | use crate::{tcp::*, tests::init_test_log, PollDriver}; [INFO] [stdout] | ------ the item `Poll` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SocketAddr` is imported redundantly [INFO] [stdout] --> src/udp.rs:182:23 [INFO] [stdout] | [INFO] [stdout] 182 | net::{IpAddr, SocketAddr}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 191 | use crate::{tests::init_test_log, udp::*, PollDriver}; [INFO] [stdout] | ------ the item `SocketAddr` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/udp.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct UdpSocket { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | token: Arc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UdpSocket` has a derived impl for the trait `Clone`, 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.95s [INFO] running `Command { std: "docker" "inspect" "0bc180155b130db3edeaa803bfe36eec1006dfd15a0037d2468dd0a052aa8563", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bc180155b130db3edeaa803bfe36eec1006dfd15a0037d2468dd0a052aa8563", kill_on_drop: false }` [INFO] [stdout] 0bc180155b130db3edeaa803bfe36eec1006dfd15a0037d2468dd0a052aa8563