[INFO] fetching crate bitcask-engine-rs 0.1.0...
[INFO] checking bitcask-engine-rs-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate bitcask-engine-rs 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bitcask-engine-rs 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcask-engine-rs 0.1.0
[INFO] finished tweaking crates.io crate bitcask-engine-rs 0.1.0
[INFO] tweaked toml for crates.io crate bitcask-engine-rs 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc-catalog v2.4.0
[INFO] [stderr]   Downloaded crc v3.2.1
[INFO] [stderr]   Downloaded tracing-appender v0.2.3
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22d78be24f9026ed9e5b87ffb52c295aeb22f4520594c9e6505e150506a089e1
[INFO] running `Command { std: "docker" "start" "-a" "22d78be24f9026ed9e5b87ffb52c295aeb22f4520594c9e6505e150506a089e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22d78be24f9026ed9e5b87ffb52c295aeb22f4520594c9e6505e150506a089e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d78be24f9026ed9e5b87ffb52c295aeb22f4520594c9e6505e150506a089e1", kill_on_drop: false }`
[INFO] [stdout] 22d78be24f9026ed9e5b87ffb52c295aeb22f4520594c9e6505e150506a089e1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55b5364c9ef5f28ce5c7c2c0648d82b2a2382ca6c668c63d68d0b3a57a97209
[INFO] running `Command { std: "docker" "start" "-a" "d55b5364c9ef5f28ce5c7c2c0648d82b2a2382ca6c668c63d68d0b3a57a97209", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking bitcask-engine-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/test.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "d55b5364c9ef5f28ce5c7c2c0648d82b2a2382ca6c668c63d68d0b3a57a97209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55b5364c9ef5f28ce5c7c2c0648d82b2a2382ca6c668c63d68d0b3a57a97209", kill_on_drop: false }`
[INFO] [stdout] d55b5364c9ef5f28ce5c7c2c0648d82b2a2382ca6c668c63d68d0b3a57a97209