[INFO] fetching crate cargo-tree 0.28.0...
[INFO] checking cargo-tree-0.28.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate cargo-tree 0.28.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cargo-tree 0.28.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cargo-tree 0.28.0
[INFO] finished tweaking crates.io crate cargo-tree 0.28.0
[INFO] tweaked toml for crates.io crate cargo-tree 0.28.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cargo-tree 0.28.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d43a961347d5ff950a73717851773108f89fa60a52fc2df0660201a3751023c1
[INFO] running `"docker" "start" "-a" "d43a961347d5ff950a73717851773108f89fa60a52fc2df0660201a3751023c1"`
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking home v0.5.1
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]     Checking sized-chunks v0.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking cargo-platform v0.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde_ignored v0.1.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling im-rc v13.0.0
[INFO] [stderr]     Checking crates-io v0.29.0
[INFO] [stderr]     Checking git2 v0.10.2
[INFO] [stderr]     Checking git2-curl v0.11.0
[INFO] [stderr]     Checking cargo v0.41.0
[INFO] [stderr]     Checking cargo-tree v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `"docker" "inspect" "d43a961347d5ff950a73717851773108f89fa60a52fc2df0660201a3751023c1"`
[INFO] running `"docker" "rm" "-f" "d43a961347d5ff950a73717851773108f89fa60a52fc2df0660201a3751023c1"`
[INFO] [stdout] d43a961347d5ff950a73717851773108f89fa60a52fc2df0660201a3751023c1