[INFO] fetching crate bab 0.0.1...
[INFO] checking bab-0.0.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate bab 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bab 0.0.1 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 bab 0.0.1
[INFO] finished tweaking crates.io crate bab 0.0.1
[INFO] tweaked toml for crates.io crate bab 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate bab 0.0.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-unsync v0.3.0
[INFO] [stderr]   Downloaded core_affinity v0.8.1
[INFO] [stderr]   Downloaded syn v2.0.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 04a7581f69c58cb3b440365d9ce1a246258cbfb731e47515c5cf231c558d719c
[INFO] running `Command { std: "docker" "start" "-a" "04a7581f69c58cb3b440365d9ce1a246258cbfb731e47515c5cf231c558d719c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04a7581f69c58cb3b440365d9ce1a246258cbfb731e47515c5cf231c558d719c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a7581f69c58cb3b440365d9ce1a246258cbfb731e47515c5cf231c558d719c", kill_on_drop: false }`
[INFO] [stdout] 04a7581f69c58cb3b440365d9ce1a246258cbfb731e47515c5cf231c558d719c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6cc6eb913b050c3c90759676669f54c24ad51b551d6d8bec83d5a6fee6d053f7
[INFO] running `Command { std: "docker" "start" "-a" "6cc6eb913b050c3c90759676669f54c24ad51b551d6d8bec83d5a6fee6d053f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.206
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.73
[INFO] [stderr]     Checking core_affinity v0.8.1
[INFO] [stderr]     Checking async-unsync v0.3.0
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking bab v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-executor v1.13.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.206
[INFO] [stderr]     Checking serde_json v1.0.122
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "6cc6eb913b050c3c90759676669f54c24ad51b551d6d8bec83d5a6fee6d053f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc6eb913b050c3c90759676669f54c24ad51b551d6d8bec83d5a6fee6d053f7", kill_on_drop: false }`
[INFO] [stdout] 6cc6eb913b050c3c90759676669f54c24ad51b551d6d8bec83d5a6fee6d053f7
[INFO] checking bab-0.0.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate bab 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bab 0.0.1 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 bab 0.0.1
[INFO] finished tweaking crates.io crate bab 0.0.1
[INFO] tweaked toml for crates.io crate bab 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate bab 0.0.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 74fded184ab00708f89ef698e3a0ea87c7287c88653e4f3d1fddaeaaeebba6b7
[INFO] running `Command { std: "docker" "start" "-a" "74fded184ab00708f89ef698e3a0ea87c7287c88653e4f3d1fddaeaaeebba6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74fded184ab00708f89ef698e3a0ea87c7287c88653e4f3d1fddaeaaeebba6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74fded184ab00708f89ef698e3a0ea87c7287c88653e4f3d1fddaeaaeebba6b7", kill_on_drop: false }`
[INFO] [stdout] 74fded184ab00708f89ef698e3a0ea87c7287c88653e4f3d1fddaeaaeebba6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f38bd9b0282a77084f0d2841cb21f40e47ff13d0dc19d765df667a308be43283
[INFO] running `Command { std: "docker" "start" "-a" "f38bd9b0282a77084f0d2841cb21f40e47ff13d0dc19d765df667a308be43283", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.206
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.73
[INFO] [stderr]     Checking core_affinity v0.8.1
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking async-unsync v0.3.0
[INFO] [stderr]     Checking bab v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-executor v1.13.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.206
[INFO] [stderr]     Checking serde_json v1.0.122
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "f38bd9b0282a77084f0d2841cb21f40e47ff13d0dc19d765df667a308be43283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38bd9b0282a77084f0d2841cb21f40e47ff13d0dc19d765df667a308be43283", kill_on_drop: false }`
[INFO] [stdout] f38bd9b0282a77084f0d2841cb21f40e47ff13d0dc19d765df667a308be43283