[INFO] fetching crate common_substrings 1.0.0...
[INFO] checking common_substrings-1.0.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate common_substrings 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate common_substrings 1.0.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate common_substrings 1.0.0
[INFO] finished tweaking crates.io crate common_substrings 1.0.0
[INFO] tweaked toml for crates.io crate common_substrings 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16c46c7c94c3e271042e681b5e8a193457b009344c59462d04b1d6447668676a
[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" "16c46c7c94c3e271042e681b5e8a193457b009344c59462d04b1d6447668676a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c46c7c94c3e271042e681b5e8a193457b009344c59462d04b1d6447668676a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c46c7c94c3e271042e681b5e8a193457b009344c59462d04b1d6447668676a", kill_on_drop: false }`
[INFO] [stdout] 16c46c7c94c3e271042e681b5e8a193457b009344c59462d04b1d6447668676a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7590e0cc9f0e4ef4a5cee89c67199ccdf571bee306a6cfbd6cd801fbf66283
[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" "4e7590e0cc9f0e4ef4a5cee89c67199ccdf571bee306a6cfbd6cd801fbf66283", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking common_substrings v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.09s
[INFO] running `Command { std: "docker" "inspect" "4e7590e0cc9f0e4ef4a5cee89c67199ccdf571bee306a6cfbd6cd801fbf66283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7590e0cc9f0e4ef4a5cee89c67199ccdf571bee306a6cfbd6cd801fbf66283", kill_on_drop: false }`
[INFO] [stdout] 4e7590e0cc9f0e4ef4a5cee89c67199ccdf571bee306a6cfbd6cd801fbf66283