[INFO] fetching crate petgraph 0.5.1...
[INFO] checking petgraph-0.5.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate petgraph 0.5.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate petgraph 0.5.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate petgraph 0.5.1
[INFO] finished tweaking crates.io crate petgraph 0.5.1
[INFO] tweaked toml for crates.io crate petgraph 0.5.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6490cae5a4853e8d1b1b7364e2c2ade3b34fdea5d10bedae66438e2437e2bb87
[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" "6490cae5a4853e8d1b1b7364e2c2ade3b34fdea5d10bedae66438e2437e2bb87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6490cae5a4853e8d1b1b7364e2c2ade3b34fdea5d10bedae66438e2437e2bb87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6490cae5a4853e8d1b1b7364e2c2ade3b34fdea5d10bedae66438e2437e2bb87", kill_on_drop: false }`
[INFO] [stdout] 6490cae5a4853e8d1b1b7364e2c2ade3b34fdea5d10bedae66438e2437e2bb87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad18767eab020718ba7f4f314df016277cae08146f667f1c49fd5cb22ae20cbd
[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" "ad18767eab020718ba7f4f314df016277cae08146f667f1c49fd5cb22ae20cbd", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking defmac v0.1.3
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking petgraph v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> tests/graph.rs:1764:6
[INFO] [stdout]      |
[INFO] [stdout] 1764 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` 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 9.83s
[INFO] running `Command { std: "docker" "inspect" "ad18767eab020718ba7f4f314df016277cae08146f667f1c49fd5cb22ae20cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad18767eab020718ba7f4f314df016277cae08146f667f1c49fd5cb22ae20cbd", kill_on_drop: false }`
[INFO] [stdout] ad18767eab020718ba7f4f314df016277cae08146f667f1c49fd5cb22ae20cbd