[INFO] updating cached repository https://github.com/tristangreeno/quicksort-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12d6d38c212e387cceecef48451d175af4a89a89
[INFO] checking tristangreeno/quicksort-rust against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristangreeno%2Fquicksort-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  85% (482/562)   
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Checking out files: 100% (562/562), done.
[INFO] validating manifest of git repo https://github.com/tristangreeno/quicksort-rust on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tristangreeno/quicksort-rust
[INFO] finished tweaking git repo https://github.com/tristangreeno/quicksort-rust
[INFO] tweaked toml for git repo https://github.com/tristangreeno/quicksort-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tristangreeno/quicksort-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 830daa0a6f16deca32b6ed0d99b2012f4f74193ea14f19ac9e8eada370bcb72a
[INFO] running `Command { std: "docker" "start" "-a" "830daa0a6f16deca32b6ed0d99b2012f4f74193ea14f19ac9e8eada370bcb72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830daa0a6f16deca32b6ed0d99b2012f4f74193ea14f19ac9e8eada370bcb72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830daa0a6f16deca32b6ed0d99b2012f4f74193ea14f19ac9e8eada370bcb72a", kill_on_drop: false }`
[INFO] [stdout] 830daa0a6f16deca32b6ed0d99b2012f4f74193ea14f19ac9e8eada370bcb72a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f66b37a57cc932738632f241be7fbeb4caeff914a6a000a4bac3105a8682930e
[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" "f66b37a57cc932738632f241be7fbeb4caeff914a6a000a4bac3105a8682930e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cc v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking criterion-stats v0.2.1
[INFO] [stderr]     Checking quicksort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.2.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking simplelog v0.5.0
[INFO] [stderr]    Compiling pest_derive v1.0.6
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking serde_json v1.0.10
[INFO] [stderr]     Checking handlebars v0.31.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking criterion v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.82s
[INFO] running `Command { std: "docker" "inspect" "f66b37a57cc932738632f241be7fbeb4caeff914a6a000a4bac3105a8682930e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f66b37a57cc932738632f241be7fbeb4caeff914a6a000a4bac3105a8682930e", kill_on_drop: false }`
[INFO] [stdout] f66b37a57cc932738632f241be7fbeb4caeff914a6a000a4bac3105a8682930e