[INFO] fetching crate unshare 0.7.0... [INFO] checking unshare-0.7.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate unshare 0.7.0 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate unshare 0.7.0 [INFO] finished tweaking crates.io crate unshare 0.7.0 [INFO] tweaked toml for crates.io crate unshare 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate unshare 0.7.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate unshare 0.7.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4c3ba8832b1ac752de2ee8fcca736a4dd30ab086b1b3bf1fbd77a8f6330bb74 [INFO] running `Command { std: "docker" "start" "-a" "c4c3ba8832b1ac752de2ee8fcca736a4dd30ab086b1b3bf1fbd77a8f6330bb74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4c3ba8832b1ac752de2ee8fcca736a4dd30ab086b1b3bf1fbd77a8f6330bb74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4c3ba8832b1ac752de2ee8fcca736a4dd30ab086b1b3bf1fbd77a8f6330bb74", kill_on_drop: false }` [INFO] [stdout] c4c3ba8832b1ac752de2ee8fcca736a4dd30ab086b1b3bf1fbd77a8f6330bb74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d73d9cd01f289e1565e622b74850cdc013d317306672377963dc12bdf2b6f101 [INFO] running `Command { std: "docker" "start" "-a" "d73d9cd01f289e1565e622b74850cdc013d317306672377963dc12bdf2b6f101", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking unshare v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/error.rs:93:28 [INFO] [stdout] | [INFO] [stdout] 93 | BeforeUnfreeze(Box), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - BeforeUnfreeze(Box), [INFO] [stdout] 93 + BeforeUnfreeze(Box), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/child.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 294 | extern { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/error.rs:93:28 [INFO] [stdout] | [INFO] [stdout] 93 | BeforeUnfreeze(Box), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - BeforeUnfreeze(Box), [INFO] [stdout] 93 + BeforeUnfreeze(Box), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:75:25 [INFO] [stdout] | [INFO] [stdout] 75 | type BoxError = Box; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 75 - type BoxError = Box; [INFO] [stdout] 75 + type BoxError = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/child.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 294 | extern { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:75:25 [INFO] [stdout] | [INFO] [stdout] 75 | type BoxError = Box; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 75 - type BoxError = Box; [INFO] [stdout] 75 + type BoxError = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fd_lookup` is never read [INFO] [stdout] --> src/run.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct ChildInfo<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub fd_lookup: &'a HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fd_lookup` is never read [INFO] [stdout] --> src/run.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct ChildInfo<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub fd_lookup: &'a HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s [INFO] running `Command { std: "docker" "inspect" "d73d9cd01f289e1565e622b74850cdc013d317306672377963dc12bdf2b6f101", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d73d9cd01f289e1565e622b74850cdc013d317306672377963dc12bdf2b6f101", kill_on_drop: false }` [INFO] [stdout] d73d9cd01f289e1565e622b74850cdc013d317306672377963dc12bdf2b6f101