[INFO] cloning repository https://github.com/drrlvn/fscmp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drrlvn/fscmp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrrlvn%2Ffscmp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrrlvn%2Ffscmp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9df2ccb936657cd2402cc7b23671b90fcc001967
[INFO] testing drrlvn/fscmp against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrrlvn%2Ffscmp" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drrlvn/fscmp on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drrlvn/fscmp
[INFO] finished tweaking git repo https://github.com/drrlvn/fscmp
[INFO] tweaked toml for git repo https://github.com/drrlvn/fscmp written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/drrlvn/fscmp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.99.2
[INFO] [stderr]   Downloaded nix v0.16.0
[INFO] [stderr]   Downloaded thiserror v1.0.10
[INFO] [stderr]   Downloaded thiserror-impl v1.0.10
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded simplelog v0.7.1
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded openat v0.1.18
[INFO] [stderr]   Downloaded loggest v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 871c40beed133661ab3b2f89012e503e25df9b6eb3549829665a34593245b805
[INFO] running `Command { std: "docker" "start" "-a" "871c40beed133661ab3b2f89012e503e25df9b6eb3549829665a34593245b805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "871c40beed133661ab3b2f89012e503e25df9b6eb3549829665a34593245b805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871c40beed133661ab3b2f89012e503e25df9b6eb3549829665a34593245b805", kill_on_drop: false }`
[INFO] [stdout] 871c40beed133661ab3b2f89012e503e25df9b6eb3549829665a34593245b805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4baec2e6cbd7e5eafc57fa87f0ea405bb5a73108da97b176eff598f18be3b0af
[INFO] running `Command { std: "docker" "start" "-a" "4baec2e6cbd7e5eafc57fa87f0ea405bb5a73108da97b176eff598f18be3b0af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling nix v0.16.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling openat v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling simplelog v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling fscmp v0.2.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.16s
[INFO] running `Command { std: "docker" "inspect" "4baec2e6cbd7e5eafc57fa87f0ea405bb5a73108da97b176eff598f18be3b0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4baec2e6cbd7e5eafc57fa87f0ea405bb5a73108da97b176eff598f18be3b0af", kill_on_drop: false }`
[INFO] [stdout] 4baec2e6cbd7e5eafc57fa87f0ea405bb5a73108da97b176eff598f18be3b0af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 147d4704e5f53683cc9a6f4637c4c21513b43086328c5d88bb15b41a1786e72b
[INFO] running `Command { std: "docker" "start" "-a" "147d4704e5f53683cc9a6f4637c4c21513b43086328c5d88bb15b41a1786e72b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling fscmp v0.2.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `Command { std: "docker" "inspect" "147d4704e5f53683cc9a6f4637c4c21513b43086328c5d88bb15b41a1786e72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147d4704e5f53683cc9a6f4637c4c21513b43086328c5d88bb15b41a1786e72b", kill_on_drop: false }`
[INFO] [stdout] 147d4704e5f53683cc9a6f4637c4c21513b43086328c5d88bb15b41a1786e72b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 213b998e2760f7fdc9c85c735341f4199ac0126e467a54dedd3e5ffcbed4728d
[INFO] running `Command { std: "docker" "start" "-a" "213b998e2760f7fdc9c85c735341f4199ac0126e467a54dedd3e5ffcbed4728d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fscmp-b2dec90218d083a7)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cmp::test::test_calc_chunk_count ... ok
[INFO] [stdout] test cmp::test::test_calc_leap ... ok
[INFO] [stderr] 
[INFO] [stdout] test cmp::test::test_root_mode ... ok
[INFO] [stderr] thread '<unknown>' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] 
[INFO] [stderr] thread '<unknown>' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass '--bin fscmp'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/fscmp-b2dec90218d083a7` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "213b998e2760f7fdc9c85c735341f4199ac0126e467a54dedd3e5ffcbed4728d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213b998e2760f7fdc9c85c735341f4199ac0126e467a54dedd3e5ffcbed4728d", kill_on_drop: false }`
[INFO] [stdout] 213b998e2760f7fdc9c85c735341f4199ac0126e467a54dedd3e5ffcbed4728d