[INFO] fetching crate cargo-wop 0.1.6...
[INFO] checking cargo-wop-0.1.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cargo-wop 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cargo-wop 0.1.6
[INFO] finished tweaking crates.io crate cargo-wop 0.1.6
[INFO] tweaked toml for crates.io crate cargo-wop 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-wop 0.1.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-wop 0.1.6 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f154d5d2974b51289d64b76d4d5c644d26ad1dda9d1c8d6bf8552c2d0406071e
[INFO] running `Command { std: "docker" "start" "-a" "f154d5d2974b51289d64b76d4d5c644d26ad1dda9d1c8d6bf8552c2d0406071e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f154d5d2974b51289d64b76d4d5c644d26ad1dda9d1c8d6bf8552c2d0406071e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f154d5d2974b51289d64b76d4d5c644d26ad1dda9d1c8d6bf8552c2d0406071e", kill_on_drop: false }`
[INFO] [stdout] f154d5d2974b51289d64b76d4d5c644d26ad1dda9d1c8d6bf8552c2d0406071e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37419f63ba6145dd7635b7254c0dee9de47a77559639ed68133c05d9ea6d7eba
[INFO] running `Command { std: "docker" "start" "-a" "37419f63ba6145dd7635b7254c0dee9de47a77559639ed68133c05d9ea6d7eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo-wop v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Exec` is never constructed
[INFO] [stdout]    --> cargo-wop.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub struct Exec {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Exec` is never constructed
[INFO] [stdout]    --> cargo-wop.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub struct Exec {
[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 6.18s
[INFO] running `Command { std: "docker" "inspect" "37419f63ba6145dd7635b7254c0dee9de47a77559639ed68133c05d9ea6d7eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37419f63ba6145dd7635b7254c0dee9de47a77559639ed68133c05d9ea6d7eba", kill_on_drop: false }`
[INFO] [stdout] 37419f63ba6145dd7635b7254c0dee9de47a77559639ed68133c05d9ea6d7eba