[INFO] fetching crate stdlib-rs 0.0.2...
[INFO] checking stdlib-rs-0.0.2 against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] extracting crate stdlib-rs 0.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate stdlib-rs 0.0.2
[INFO] finished tweaking crates.io crate stdlib-rs 0.0.2
[INFO] tweaked toml for crates.io crate stdlib-rs 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stdlib-rs 0.0.2 on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stdlib-rs 0.0.2 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded man v0.3.0
[INFO] [stderr]   Downloaded roff v0.1.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de40f3bf817b3d889eb78b5ebc0e068653d9e68b67e034cf126b4e3d9167f7f9
[INFO] running `Command { std: "docker" "start" "-a" "de40f3bf817b3d889eb78b5ebc0e068653d9e68b67e034cf126b4e3d9167f7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de40f3bf817b3d889eb78b5ebc0e068653d9e68b67e034cf126b4e3d9167f7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de40f3bf817b3d889eb78b5ebc0e068653d9e68b67e034cf126b4e3d9167f7f9", kill_on_drop: false }`
[INFO] [stdout] de40f3bf817b3d889eb78b5ebc0e068653d9e68b67e034cf126b4e3d9167f7f9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af949f9b3593c2c4ccb67367f3ae1e0a63442ae43c7c3c0ab211cb8286a15870
[INFO] running `Command { std: "docker" "start" "-a" "af949f9b3593c2c4ccb67367f3ae1e0a63442ae43c7c3c0ab211cb8286a15870", kill_on_drop: false }`
[INFO] [stderr]     Checking stdlib-rs v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/collections/stack_with_queue.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Stack<T>(VecDeque<T>, VecDeque<T>);
[INFO] [stdout]   |            -----    ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/collections/stack_with_queue.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Stack<T>(VecDeque<T>, VecDeque<T>);
[INFO] [stdout]   |            -----    ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "af949f9b3593c2c4ccb67367f3ae1e0a63442ae43c7c3c0ab211cb8286a15870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af949f9b3593c2c4ccb67367f3ae1e0a63442ae43c7c3c0ab211cb8286a15870", kill_on_drop: false }`
[INFO] [stdout] af949f9b3593c2c4ccb67367f3ae1e0a63442ae43c7c3c0ab211cb8286a15870
