[INFO] cloning repository https://github.com/jordanbray/chess_perft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jordanbray/chess_perft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordanbray%2Fchess_perft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordanbray%2Fchess_perft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 575057ded9a4a5b7cd2773b961721e205fdc75bd
[INFO] checking jordanbray/chess_perft against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordanbray%2Fchess_perft" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jordanbray/chess_perft on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jordanbray/chess_perft
[INFO] finished tweaking git repo https://github.com/jordanbray/chess_perft
[INFO] tweaked toml for git repo https://github.com/jordanbray/chess_perft written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jordanbray/chess_perft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded chess v3.1.1
[INFO] [stderr]   Downloaded btoi v0.4.0
[INFO] [stderr]   Downloaded shakmaty v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03d7c62be644735080af357ea59d188578299ea620f984a72281fe770dccbc42
[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" "03d7c62be644735080af357ea59d188578299ea620f984a72281fe770dccbc42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03d7c62be644735080af357ea59d188578299ea620f984a72281fe770dccbc42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d7c62be644735080af357ea59d188578299ea620f984a72281fe770dccbc42", kill_on_drop: false }`
[INFO] [stdout] 03d7c62be644735080af357ea59d188578299ea620f984a72281fe770dccbc42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] aac9531c536381f1a31aa76dc74d839e5a138a3ca19082a5fa97d1d66ee52c7d
[INFO] running `Command { std: "docker" "start" "-a" "aac9531c536381f1a31aa76dc74d839e5a138a3ca19082a5fa97d1d66ee52c7d", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   libc v0.2.55: default, use_std
[INFO] [stderr] 
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]    Compiling shakmaty v0.15.0
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling chess v3.1.1
[INFO] [stderr]     Checking btoi v0.4.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking chess_perft v3.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating benches/benches.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 4m 08s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.26
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking chess v3.1.1
[INFO] [stderr]     Checking chess_perft v3.1.1 (/tmp/fixit)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 8.47s
[INFO] running `Command { std: "docker" "inspect" "aac9531c536381f1a31aa76dc74d839e5a138a3ca19082a5fa97d1d66ee52c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac9531c536381f1a31aa76dc74d839e5a138a3ca19082a5fa97d1d66ee52c7d", kill_on_drop: false }`
[INFO] [stdout] aac9531c536381f1a31aa76dc74d839e5a138a3ca19082a5fa97d1d66ee52c7d