[INFO] fetching crate chess_perft 3.1.1...
[INFO] testing chess_perft-3.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate chess_perft 3.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate chess_perft 3.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate chess_perft 3.1.1
[INFO] finished tweaking crates.io crate chess_perft 3.1.1
[INFO] tweaked toml for crates.io crate chess_perft 3.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate chess_perft 3.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded rustc-demangle v0.1.14
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded autocfg v0.1.1
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded syn v0.15.34
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded chess v3.1.1
[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] [stderr]   Downloaded backtrace v0.3.26
[INFO] [stderr]   Downloaded btoi v0.4.0
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded shakmaty v0.15.0
[INFO] [stderr]   Downloaded getopts v0.2.19
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d6bf3aa5555b903030f2383dd8628394312e02cd829f364d4c32ab2643d8c9ca
[INFO] running `Command { std: "docker" "start" "-a" "d6bf3aa5555b903030f2383dd8628394312e02cd829f364d4c32ab2643d8c9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6bf3aa5555b903030f2383dd8628394312e02cd829f364d4c32ab2643d8c9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6bf3aa5555b903030f2383dd8628394312e02cd829f364d4c32ab2643d8c9ca", kill_on_drop: false }`
[INFO] [stdout] d6bf3aa5555b903030f2383dd8628394312e02cd829f364d4c32ab2643d8c9ca
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acc6839bb6e3195b37a7da95f930ee2b45fc7b11fa567091d78808a4cfe95b81
[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" "acc6839bb6e3195b37a7da95f930ee2b45fc7b11fa567091d78808a4cfe95b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling shakmaty v0.15.0
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling btoi v0.4.0
[INFO] [stderr]    Compiling chess v3.1.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling chess_perft v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3m 54s
[INFO] running `Command { std: "docker" "inspect" "acc6839bb6e3195b37a7da95f930ee2b45fc7b11fa567091d78808a4cfe95b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc6839bb6e3195b37a7da95f930ee2b45fc7b11fa567091d78808a4cfe95b81", kill_on_drop: false }`
[INFO] [stdout] acc6839bb6e3195b37a7da95f930ee2b45fc7b11fa567091d78808a4cfe95b81
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a433cbb10bf806490adecc0e20f4264cb7daa7e655a64921055863aba4848764
[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" "a433cbb10bf806490adecc0e20f4264cb7daa7e655a64921055863aba4848764", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling chess_perft v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "a433cbb10bf806490adecc0e20f4264cb7daa7e655a64921055863aba4848764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a433cbb10bf806490adecc0e20f4264cb7daa7e655a64921055863aba4848764", kill_on_drop: false }`
[INFO] [stdout] a433cbb10bf806490adecc0e20f4264cb7daa7e655a64921055863aba4848764
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80cef8e3fd55afb368b8f59d71a863826371dd6a2f785574c95060beb1d17427
[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" "80cef8e3fd55afb368b8f59d71a863826371dd6a2f785574c95060beb1d17427", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chess_perft-0e865f1fbbe86941
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80cef8e3fd55afb368b8f59d71a863826371dd6a2f785574c95060beb1d17427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80cef8e3fd55afb368b8f59d71a863826371dd6a2f785574c95060beb1d17427", kill_on_drop: false }`
[INFO] [stdout] 80cef8e3fd55afb368b8f59d71a863826371dd6a2f785574c95060beb1d17427