[INFO] fetching crate randbats-winrates 0.3.0...
[INFO] checking randbats-winrates-0.3.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate randbats-winrates 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate randbats-winrates 0.3.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate randbats-winrates 0.3.0
[INFO] finished tweaking crates.io crate randbats-winrates 0.3.0
[INFO] tweaked toml for crates.io crate randbats-winrates 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate randbats-winrates 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gjson v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b7bd4983c69d6562ac0002f084eb0e27d1bbd06eeab21b70e4f4b508921b23d
[INFO] running `Command { std: "docker" "start" "-a" "5b7bd4983c69d6562ac0002f084eb0e27d1bbd06eeab21b70e4f4b508921b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7bd4983c69d6562ac0002f084eb0e27d1bbd06eeab21b70e4f4b508921b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7bd4983c69d6562ac0002f084eb0e27d1bbd06eeab21b70e4f4b508921b23d", kill_on_drop: false }`
[INFO] [stdout] 5b7bd4983c69d6562ac0002f084eb0e27d1bbd06eeab21b70e4f4b508921b23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 813b33abf3f4b9fdad8d0ddbaabc3a590836268664c075f0139e3cf56e8cc738
[INFO] running `Command { std: "docker" "start" "-a" "813b33abf3f4b9fdad8d0ddbaabc3a590836268664c075f0139e3cf56e8cc738", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking gjson v0.8.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking randbats-winrates v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.91s
[INFO] running `Command { std: "docker" "inspect" "813b33abf3f4b9fdad8d0ddbaabc3a590836268664c075f0139e3cf56e8cc738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813b33abf3f4b9fdad8d0ddbaabc3a590836268664c075f0139e3cf56e8cc738", kill_on_drop: false }`
[INFO] [stdout] 813b33abf3f4b9fdad8d0ddbaabc3a590836268664c075f0139e3cf56e8cc738
[INFO] checking randbats-winrates-0.3.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate randbats-winrates 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate randbats-winrates 0.3.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate randbats-winrates 0.3.0
[INFO] finished tweaking crates.io crate randbats-winrates 0.3.0
[INFO] tweaked toml for crates.io crate randbats-winrates 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate randbats-winrates 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b38f10b25ee5a997729ea6ba8dd8e47adf6de6d8a0ab86291cb06e27f87afbc
[INFO] running `Command { std: "docker" "start" "-a" "3b38f10b25ee5a997729ea6ba8dd8e47adf6de6d8a0ab86291cb06e27f87afbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b38f10b25ee5a997729ea6ba8dd8e47adf6de6d8a0ab86291cb06e27f87afbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b38f10b25ee5a997729ea6ba8dd8e47adf6de6d8a0ab86291cb06e27f87afbc", kill_on_drop: false }`
[INFO] [stdout] 3b38f10b25ee5a997729ea6ba8dd8e47adf6de6d8a0ab86291cb06e27f87afbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ac38ebf246fda92302b3bf68283646ab2fda7998a3c457aa010ed6b031ea2e
[INFO] running `Command { std: "docker" "start" "-a" "e4ac38ebf246fda92302b3bf68283646ab2fda7998a3c457aa010ed6b031ea2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking gjson v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking randbats-winrates v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.91s
[INFO] running `Command { std: "docker" "inspect" "e4ac38ebf246fda92302b3bf68283646ab2fda7998a3c457aa010ed6b031ea2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ac38ebf246fda92302b3bf68283646ab2fda7998a3c457aa010ed6b031ea2e", kill_on_drop: false }`
[INFO] [stdout] e4ac38ebf246fda92302b3bf68283646ab2fda7998a3c457aa010ed6b031ea2e