[INFO] fetching crate syswall 0.3.1... [INFO] testing syswall-0.3.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate syswall 0.3.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate syswall 0.3.1 [INFO] finished tweaking crates.io crate syswall 0.3.1 [INFO] tweaked toml for crates.io crate syswall 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate syswall 0.3.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding nix v0.13.1 (available: v0.30.1) [INFO] [stderr] Adding signal-hook v0.1.17 (available: v0.3.18) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c5aa1247afaaf386dfd89fd75bfba490da4ccd6d6ac7e038905b246710c07b5 [INFO] running `Command { std: "docker" "start" "-a" "3c5aa1247afaaf386dfd89fd75bfba490da4ccd6d6ac7e038905b246710c07b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c5aa1247afaaf386dfd89fd75bfba490da4ccd6d6ac7e038905b246710c07b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c5aa1247afaaf386dfd89fd75bfba490da4ccd6d6ac7e038905b246710c07b5", kill_on_drop: false }` [INFO] [stdout] 3c5aa1247afaaf386dfd89fd75bfba490da4ccd6d6ac7e038905b246710c07b5 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4a4be2eed349bf9eead7af33b065e18038fabd5117ded42ac328ab567bbc63c [INFO] running `Command { std: "docker" "start" "-a" "c4a4be2eed349bf9eead7af33b065e18038fabd5117ded42ac328ab567bbc63c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling signal-hook-registry v1.4.6 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling syswall v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/child_process.rs:300:17 [INFO] [stdout] | [INFO] [stdout] 300 | let mut child = processes.0.get_mut(&pid).ok_or_else(|| format!( [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/child_process.rs:418:32 [INFO] [stdout] | [INFO] [stdout] 418 | } else if let Some(mut child) = processes.0.get_mut(&pid) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.77s [INFO] running `Command { std: "docker" "inspect" "c4a4be2eed349bf9eead7af33b065e18038fabd5117ded42ac328ab567bbc63c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4a4be2eed349bf9eead7af33b065e18038fabd5117ded42ac328ab567bbc63c", kill_on_drop: false }` [INFO] [stdout] c4a4be2eed349bf9eead7af33b065e18038fabd5117ded42ac328ab567bbc63c [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d804d1d9bb5c095a385bd58efadab335a98edf52c648231fc7c8c0191d3a879 [INFO] running `Command { std: "docker" "start" "-a" "6d804d1d9bb5c095a385bd58efadab335a98edf52c648231fc7c8c0191d3a879", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/child_process.rs:300:17 [INFO] [stdout] | [INFO] [stdout] 300 | let mut child = processes.0.get_mut(&pid).ok_or_else(|| format!( [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/child_process.rs:418:32 [INFO] [stdout] | [INFO] [stdout] 418 | } else if let Some(mut child) = processes.0.get_mut(&pid) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syswall v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/child_process.rs:300:17 [INFO] [stdout] | [INFO] [stdout] 300 | let mut child = processes.0.get_mut(&pid).ok_or_else(|| format!( [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/child_process.rs:418:32 [INFO] [stdout] | [INFO] [stdout] 418 | } else if let Some(mut child) = processes.0.get_mut(&pid) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "6d804d1d9bb5c095a385bd58efadab335a98edf52c648231fc7c8c0191d3a879", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d804d1d9bb5c095a385bd58efadab335a98edf52c648231fc7c8c0191d3a879", kill_on_drop: false }` [INFO] [stdout] 6d804d1d9bb5c095a385bd58efadab335a98edf52c648231fc7c8c0191d3a879 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eebd8bbbcb69694c22c4d6e9c33263233caa15998ca29c2e328ef9159883630e [INFO] running `Command { std: "docker" "start" "-a" "eebd8bbbcb69694c22c4d6e9c33263233caa15998ca29c2e328ef9159883630e", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/child_process.rs:300:17 [INFO] [stderr] | [INFO] [stderr] 300 | let mut child = processes.0.get_mut(&pid).ok_or_else(|| format!( [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/child_process.rs:418:32 [INFO] [stderr] | [INFO] [stderr] 418 | } else if let Some(mut child) = processes.0.get_mut(&pid) { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `syswall` (lib) generated 2 warnings (run `cargo fix --lib -p syswall` to apply 2 suggestions) [INFO] [stderr] warning: `syswall` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syswall-0186043bb3c11a92) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests syswall [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - trace (line 39) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "eebd8bbbcb69694c22c4d6e9c33263233caa15998ca29c2e328ef9159883630e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eebd8bbbcb69694c22c4d6e9c33263233caa15998ca29c2e328ef9159883630e", kill_on_drop: false }` [INFO] [stdout] eebd8bbbcb69694c22c4d6e9c33263233caa15998ca29c2e328ef9159883630e