[INFO] fetching crate lightmon 0.2.0-alpha.0...
[INFO] checking lightmon-0.2.0-alpha.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate lightmon 0.2.0-alpha.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lightmon 0.2.0-alpha.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightmon 0.2.0-alpha.0
[INFO] finished tweaking crates.io crate lightmon 0.2.0-alpha.0
[INFO] tweaked toml for crates.io crate lightmon 0.2.0-alpha.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lightmon 0.2.0-alpha.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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-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" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 705e877fd9a2f2d37f25b2b5547062f18d32e93417834a9ca5235f1c2ed27764
[INFO] running `Command { std: "docker" "start" "-a" "705e877fd9a2f2d37f25b2b5547062f18d32e93417834a9ca5235f1c2ed27764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705e877fd9a2f2d37f25b2b5547062f18d32e93417834a9ca5235f1c2ed27764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705e877fd9a2f2d37f25b2b5547062f18d32e93417834a9ca5235f1c2ed27764", kill_on_drop: false }`
[INFO] [stdout] 705e877fd9a2f2d37f25b2b5547062f18d32e93417834a9ca5235f1c2ed27764
[INFO] running `Command { std: "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" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ba70fa2337cf386d656206401b2692d398aa19fad733e44ce56e8f9a792215c9
[INFO] running `Command { std: "docker" "start" "-a" "ba70fa2337cf386d656206401b2692d398aa19fad733e44ce56e8f9a792215c9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking lightmon v0.2.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.10s
[INFO] running `Command { std: "docker" "inspect" "ba70fa2337cf386d656206401b2692d398aa19fad733e44ce56e8f9a792215c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba70fa2337cf386d656206401b2692d398aa19fad733e44ce56e8f9a792215c9", kill_on_drop: false }`
[INFO] [stdout] ba70fa2337cf386d656206401b2692d398aa19fad733e44ce56e8f9a792215c9