[INFO] fetching crate shakmaty-syzygy 0.16.1...
[INFO] checking shakmaty-syzygy-0.16.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate shakmaty-syzygy 0.16.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate shakmaty-syzygy 0.16.1 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] started tweaking crates.io crate shakmaty-syzygy 0.16.1
[INFO] finished tweaking crates.io crate shakmaty-syzygy 0.16.1
[INFO] tweaked toml for crates.io crate shakmaty-syzygy 0.16.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate shakmaty-syzygy 0.16.1 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 positioned-io-preview v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 8381bd2e568354a52820bfcc4fe804e57377f23e568845af9b931273bf2132c7
[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" "8381bd2e568354a52820bfcc4fe804e57377f23e568845af9b931273bf2132c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8381bd2e568354a52820bfcc4fe804e57377f23e568845af9b931273bf2132c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8381bd2e568354a52820bfcc4fe804e57377f23e568845af9b931273bf2132c7", kill_on_drop: false }`
[INFO] [stdout] 8381bd2e568354a52820bfcc4fe804e57377f23e568845af9b931273bf2132c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] f14c4bfd47d3e5b5ef8eaad25c10f19e2de04c013ff6a3dc0fd747e89896085e
[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" "f14c4bfd47d3e5b5ef8eaad25c10f19e2de04c013ff6a3dc0fd747e89896085e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling shakmaty v0.19.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking arrayvec v0.7.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking positioned-io-preview v0.3.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking btoi v0.4.2
[INFO] [stderr]     Checking shakmaty-syzygy v0.16.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]    Migrating tests/suite.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/benches.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/fathom.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.33s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking shakmaty-syzygy v0.16.1 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "f14c4bfd47d3e5b5ef8eaad25c10f19e2de04c013ff6a3dc0fd747e89896085e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14c4bfd47d3e5b5ef8eaad25c10f19e2de04c013ff6a3dc0fd747e89896085e", kill_on_drop: false }`
[INFO] [stdout] f14c4bfd47d3e5b5ef8eaad25c10f19e2de04c013ff6a3dc0fd747e89896085e