[INFO] cloning repository https://github.com/mkmik/heappy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkmik/heappy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Fheappy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Fheappy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edfd40a91df38e45434098fcc8f3a4ba56dbdf8b
[INFO] checking mkmik/heappy against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Fheappy" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkmik/heappy on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/mkmik/heappy
[INFO] finished tweaking git repo https://github.com/mkmik/heappy
[INFO] tweaked toml for git repo https://github.com/mkmik/heappy written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mkmik/heappy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aadb6e8b2e4a5bba044520f2f381f6e54a03b508c4f5ed5a063dc4f9b953b773
[INFO] running `Command { std: "docker" "start" "-a" "aadb6e8b2e4a5bba044520f2f381f6e54a03b508c4f5ed5a063dc4f9b953b773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aadb6e8b2e4a5bba044520f2f381f6e54a03b508c4f5ed5a063dc4f9b953b773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aadb6e8b2e4a5bba044520f2f381f6e54a03b508c4f5ed5a063dc4f9b953b773", kill_on_drop: false }`
[INFO] [stdout] aadb6e8b2e4a5bba044520f2f381f6e54a03b508c4f5ed5a063dc4f9b953b773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7899e0d932680851505ded9ce2d55962a2d68207aa8219c2a50cc0d2fd2f18e1
[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" "7899e0d932680851505ded9ce2d55962a2d68207aa8219c2a50cc0d2fd2f18e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling symbolic-demangle v8.1.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling tikv-jemalloc-sys v0.4.1+5.2.1-patched
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking miniz_oxide v0.4.4
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking symbolic-common v8.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking inferno v0.10.6
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling pprof v0.4.3
[INFO] [stderr]    Compiling croaring-sys v0.5.0
[INFO] [stderr]     Checking croaring v0.5.0
[INFO] [stderr]     Checking heappy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking simple v0.1.0 (/opt/rustwide/workdir/examples/simple)
[INFO] [stderr]     Checking complex v0.1.0 (/opt/rustwide/workdir/examples/complex)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `Command { std: "docker" "inspect" "7899e0d932680851505ded9ce2d55962a2d68207aa8219c2a50cc0d2fd2f18e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7899e0d932680851505ded9ce2d55962a2d68207aa8219c2a50cc0d2fd2f18e1", kill_on_drop: false }`
[INFO] [stdout] 7899e0d932680851505ded9ce2d55962a2d68207aa8219c2a50cc0d2fd2f18e1