[INFO] fetching crate graph-similarity-cmd 0.0.1...
[INFO] checking graph-similarity-cmd-0.0.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate graph-similarity-cmd 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate graph-similarity-cmd 0.0.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graph-similarity-cmd 0.0.1
[INFO] finished tweaking crates.io crate graph-similarity-cmd 0.0.1
[INFO] tweaked toml for crates.io crate graph-similarity-cmd 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra v0.5.1
[INFO] [stderr]   Downloaded petgraph v0.2.10
[INFO] [stderr]   Downloaded graph-neighbor-matching v0.6.2
[INFO] [stderr]   Downloaded asexp v0.3.2
[INFO] [stderr]   Downloaded graph-io-gml v0.1.1
[INFO] [stderr]   Downloaded closed01 v0.4.0
[INFO] [stderr]   Downloaded munkres v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 1361627afa087c763f63bdbf0b1fe076f9bddcc0c37909a6a2c132174b8be6ac
[INFO] running `Command { std: "docker" "start" "-a" "1361627afa087c763f63bdbf0b1fe076f9bddcc0c37909a6a2c132174b8be6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1361627afa087c763f63bdbf0b1fe076f9bddcc0c37909a6a2c132174b8be6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1361627afa087c763f63bdbf0b1fe076f9bddcc0c37909a6a2c132174b8be6ac", kill_on_drop: false }`
[INFO] [stdout] 1361627afa087c763f63bdbf0b1fe076f9bddcc0c37909a6a2c132174b8be6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 45b9392b7015ca28dd86181e3f7e51d27c3c06c03ad46d80ec4e541b21b7bfa3
[INFO] running `Command { std: "docker" "start" "-a" "45b9392b7015ca28dd86181e3f7e51d27c3c06c03ad46d80ec4e541b21b7bfa3", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking asexp v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking petgraph v0.2.10
[INFO] [stderr]     Checking munkres v0.3.0
[INFO] [stderr]     Checking graph-io-gml v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nalgebra v0.5.1
[INFO] [stderr]     Checking closed01 v0.4.0
[INFO] [stderr]     Checking graph-neighbor-matching v0.6.2
[INFO] [stderr]     Checking graph-similarity-cmd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "45b9392b7015ca28dd86181e3f7e51d27c3c06c03ad46d80ec4e541b21b7bfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b9392b7015ca28dd86181e3f7e51d27c3c06c03ad46d80ec4e541b21b7bfa3", kill_on_drop: false }`
[INFO] [stdout] 45b9392b7015ca28dd86181e3f7e51d27c3c06c03ad46d80ec4e541b21b7bfa3