[INFO] fetching crate v8unpack4rs 0.3.0...
[INFO] checking v8unpack4rs-0.3.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate v8unpack4rs 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate v8unpack4rs 0.3.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v8unpack4rs 0.3.0
[INFO] finished tweaking crates.io crate v8unpack4rs 0.3.0
[INFO] tweaked toml for crates.io crate v8unpack4rs 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9ee9bf42cdb7bef12f93f514b7d2ab4d1ac7da55d554a1a5492431a901d49cf
[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" "f9ee9bf42cdb7bef12f93f514b7d2ab4d1ac7da55d554a1a5492431a901d49cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9ee9bf42cdb7bef12f93f514b7d2ab4d1ac7da55d554a1a5492431a901d49cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ee9bf42cdb7bef12f93f514b7d2ab4d1ac7da55d554a1a5492431a901d49cf", kill_on_drop: false }`
[INFO] [stdout] f9ee9bf42cdb7bef12f93f514b7d2ab4d1ac7da55d554a1a5492431a901d49cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da7dd6df6fb788fff4b6096c3b9bc0523084a1f74712e9fe2a995f6731052a1
[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" "9da7dd6df6fb788fff4b6096c3b9bc0523084a1f74712e9fe2a995f6731052a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking v8unpack4rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `inflate` is imported redundantly
[INFO] [stdout]    --> src/parser/single.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |     use inflate;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `inflate` is imported redundantly
[INFO] [stdout]    --> src/parser/single.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |     use inflate;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "9da7dd6df6fb788fff4b6096c3b9bc0523084a1f74712e9fe2a995f6731052a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da7dd6df6fb788fff4b6096c3b9bc0523084a1f74712e9fe2a995f6731052a1", kill_on_drop: false }`
[INFO] [stdout] 9da7dd6df6fb788fff4b6096c3b9bc0523084a1f74712e9fe2a995f6731052a1