[INFO] fetching crate ojcmp 0.3.0...
[INFO] checking ojcmp-0.3.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate ojcmp 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ojcmp 0.3.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ojcmp 0.3.0
[INFO] finished tweaking crates.io crate ojcmp 0.3.0
[INFO] tweaked toml for crates.io crate ojcmp 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ojcmp 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c0f42ca07a8180a805e45f9125209c1386105253bbb80a99429b4a48378405c
[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" "4c0f42ca07a8180a805e45f9125209c1386105253bbb80a99429b4a48378405c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c0f42ca07a8180a805e45f9125209c1386105253bbb80a99429b4a48378405c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0f42ca07a8180a805e45f9125209c1386105253bbb80a99429b4a48378405c", kill_on_drop: false }`
[INFO] [stdout] 4c0f42ca07a8180a805e45f9125209c1386105253bbb80a99429b4a48378405c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] 94b2ca6011d15e09f4e5aad614d77dbe434c82e9f8b203b2742fe24fa6cb3ce6
[INFO] running `Command { std: "docker" "start" "-a" "94b2ca6011d15e09f4e5aad614d77dbe434c82e9f8b203b2742fe24fa6cb3ce6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking anyhow v1.0.31
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking ojcmp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.58s
[INFO] running `Command { std: "docker" "inspect" "94b2ca6011d15e09f4e5aad614d77dbe434c82e9f8b203b2742fe24fa6cb3ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b2ca6011d15e09f4e5aad614d77dbe434c82e9f8b203b2742fe24fa6cb3ce6", kill_on_drop: false }`
[INFO] [stdout] 94b2ca6011d15e09f4e5aad614d77dbe434c82e9f8b203b2742fe24fa6cb3ce6