[INFO] fetching crate macchina 0.7.4...
[INFO] checking macchina-0.7.4 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate macchina 0.7.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate macchina 0.7.4 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macchina 0.7.4
[INFO] finished tweaking crates.io crate macchina 0.7.4
[INFO] tweaked toml for crates.io crate macchina 0.7.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate macchina 0.7.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c20919e847469f6cccf8e56b3deba7c457b4702fb1222933f3f7cfa102a1e4e
[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" "6c20919e847469f6cccf8e56b3deba7c457b4702fb1222933f3f7cfa102a1e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c20919e847469f6cccf8e56b3deba7c457b4702fb1222933f3f7cfa102a1e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c20919e847469f6cccf8e56b3deba7c457b4702fb1222933f3f7cfa102a1e4e", kill_on_drop: false }`
[INFO] [stdout] 6c20919e847469f6cccf8e56b3deba7c457b4702fb1222933f3f7cfa102a1e4e
[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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 152f3dee0c04a136af7abe71c0a7723b3ddcc1b62d8d25a83e0b65322dfcc349
[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" "152f3dee0c04a136af7abe71c0a7723b3ddcc1b62d8d25a83e0b65322dfcc349", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling local_ipaddress v0.1.3
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling os-release v0.1.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling sqlite3-src v0.3.0
[INFO] [stderr]    Compiling regex v1.5.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking sqlite3-sys v0.13.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking sqlite v0.26.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking ansi-to-tui v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling sysctl v0.4.1
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling libmacchina v0.3.3
[INFO] [stderr]    Compiling macchina v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "152f3dee0c04a136af7abe71c0a7723b3ddcc1b62d8d25a83e0b65322dfcc349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152f3dee0c04a136af7abe71c0a7723b3ddcc1b62d8d25a83e0b65322dfcc349", kill_on_drop: false }`
[INFO] [stdout] 152f3dee0c04a136af7abe71c0a7723b3ddcc1b62d8d25a83e0b65322dfcc349