[INFO] fetching crate pcompress 1.0.0...
[INFO] checking pcompress-1.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate pcompress 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pcompress 1.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcompress 1.0.0
[INFO] finished tweaking crates.io crate pcompress 1.0.0
[INFO] tweaked toml for crates.io crate pcompress 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate pcompress 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaa8363fde49e267ce08b428e161ab2c476eb80c303dcf7354d2799256e21a93
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eaa8363fde49e267ce08b428e161ab2c476eb80c303dcf7354d2799256e21a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa8363fde49e267ce08b428e161ab2c476eb80c303dcf7354d2799256e21a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa8363fde49e267ce08b428e161ab2c476eb80c303dcf7354d2799256e21a93", kill_on_drop: false }`
[INFO] [stdout] eaa8363fde49e267ce08b428e161ab2c476eb80c303dcf7354d2799256e21a93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb09a77519e62adb3253c3cf2d9468b3ba34b1f8fb78209aae276e3c18d12aa7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb09a77519e62adb3253c3cf2d9468b3ba34b1f8fb78209aae276e3c18d12aa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking pcompress v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> src/diff.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> src/diff.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.24s
[INFO] running `Command { std: "docker" "inspect" "bb09a77519e62adb3253c3cf2d9468b3ba34b1f8fb78209aae276e3c18d12aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb09a77519e62adb3253c3cf2d9468b3ba34b1f8fb78209aae276e3c18d12aa7", kill_on_drop: false }`
[INFO] [stdout] bb09a77519e62adb3253c3cf2d9468b3ba34b1f8fb78209aae276e3c18d12aa7