[INFO] cloning repository https://github.com/pcpthm/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pcpthm/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcpthm%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcpthm%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd892fa77b3db957cc81176fd7c1c48ec69e45c1
[INFO] checking pcpthm/sudoku against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcpthm%2Fsudoku" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pcpthm/sudoku on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/pcpthm/sudoku
[INFO] finished tweaking git repo https://github.com/pcpthm/sudoku
[INFO] tweaked toml for git repo https://github.com/pcpthm/sudoku written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pcpthm/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packed_simd v0.3.1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] 9575a585b6e3015d99325e9a8ad57a924ba69fbd94fca8c10d5ae03c89a59db4
[INFO] running `Command { std: "docker" "start" "-a" "9575a585b6e3015d99325e9a8ad57a924ba69fbd94fca8c10d5ae03c89a59db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9575a585b6e3015d99325e9a8ad57a924ba69fbd94fca8c10d5ae03c89a59db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9575a585b6e3015d99325e9a8ad57a924ba69fbd94fca8c10d5ae03c89a59db4", kill_on_drop: false }`
[INFO] [stdout] 9575a585b6e3015d99325e9a8ad57a924ba69fbd94fca8c10d5ae03c89a59db4
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd3ccee5c2a70c2a81bf0e0a5523f8fe271ff87dc429e7d33dd5f7ae9a669943
[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" "bd3ccee5c2a70c2a81bf0e0a5523f8fe271ff87dc429e7d33dd5f7ae9a669943", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking packed_simd v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking regex v1.0.6
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "bd3ccee5c2a70c2a81bf0e0a5523f8fe271ff87dc429e7d33dd5f7ae9a669943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3ccee5c2a70c2a81bf0e0a5523f8fe271ff87dc429e7d33dd5f7ae9a669943", kill_on_drop: false }`
[INFO] [stdout] bd3ccee5c2a70c2a81bf0e0a5523f8fe271ff87dc429e7d33dd5f7ae9a669943