[INFO] fetching crate SafeManuallyDrop 1.0.3...
[INFO] checking SafeManuallyDrop-1.0.3 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate SafeManuallyDrop 1.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate SafeManuallyDrop 1.0.3
[INFO] finished tweaking crates.io crate SafeManuallyDrop 1.0.3
[INFO] tweaked toml for crates.io crate SafeManuallyDrop 1.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate SafeManuallyDrop 1.0.3 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate SafeManuallyDrop 1.0.3 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5e34988f721b2a2996798da9168cb96e3610b712a2b631083974d807ae35612
[INFO] running `Command { std: "docker" "start" "-a" "d5e34988f721b2a2996798da9168cb96e3610b712a2b631083974d807ae35612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5e34988f721b2a2996798da9168cb96e3610b712a2b631083974d807ae35612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e34988f721b2a2996798da9168cb96e3610b712a2b631083974d807ae35612", kill_on_drop: false }`
[INFO] [stdout] d5e34988f721b2a2996798da9168cb96e3610b712a2b631083974d807ae35612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b4d1d159cd2015ee5225811a8472eec210c5f0da6a906501fa5dac03c2c394a
[INFO] running `Command { std: "docker" "start" "-a" "0b4d1d159cd2015ee5225811a8472eec210c5f0da6a906501fa5dac03c2c394a", kill_on_drop: false }`
[INFO] [stderr]     Checking SafeManuallyDrop v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/easy_struct.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct ControlDrop(usize);
[INFO] [stdout]    |        ----------- ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ControlDrop` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "0b4d1d159cd2015ee5225811a8472eec210c5f0da6a906501fa5dac03c2c394a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4d1d159cd2015ee5225811a8472eec210c5f0da6a906501fa5dac03c2c394a", kill_on_drop: false }`
[INFO] [stdout] 0b4d1d159cd2015ee5225811a8472eec210c5f0da6a906501fa5dac03c2c394a
