[INFO] fetching crate koto_cli 0.5.0...
[INFO] checking koto_cli-0.5.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate koto_cli 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate koto_cli 0.5.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate koto_cli 0.5.0
[INFO] finished tweaking crates.io crate koto_cli 0.5.0
[INFO] tweaked toml for crates.io crate koto_cli 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate koto_cli 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded koto v0.5.0
[INFO] [stderr]   Downloaded koto_json v0.5.0
[INFO] [stderr]   Downloaded koto_random v0.5.0
[INFO] [stderr]   Downloaded koto_toml v0.5.0
[INFO] [stderr]   Downloaded koto_tempfile v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 948f46fc54d77e217c4c1b05bc16b1d7f8c676317d07f4f8d598124a0df63175
[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" "948f46fc54d77e217c4c1b05bc16b1d7f8c676317d07f4f8d598124a0df63175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948f46fc54d77e217c4c1b05bc16b1d7f8c676317d07f4f8d598124a0df63175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948f46fc54d77e217c4c1b05bc16b1d7f8c676317d07f4f8d598124a0df63175", kill_on_drop: false }`
[INFO] [stdout] 948f46fc54d77e217c4c1b05bc16b1d7f8c676317d07f4f8d598124a0df63175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] 91de5e0bd0a6c785953f23596fc6665b781219ac1570cc9818a87d9c676c3add
[INFO] running `Command { std: "docker" "start" "-a" "91de5e0bd0a6c785953f23596fc6665b781219ac1570cc9818a87d9c676c3add", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking koto_lexer v0.5.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking koto_parser v0.5.0
[INFO] [stderr]     Checking koto_bytecode v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking koto_runtime v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking koto v0.5.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking koto_random v0.5.0
[INFO] [stderr]     Checking koto_serialize v0.5.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking koto_tempfile v0.5.0
[INFO] [stderr]     Checking koto_toml v0.5.0
[INFO] [stderr]     Checking koto_json v0.5.0
[INFO] [stderr]     Checking koto_cli v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.37s
[INFO] running `Command { std: "docker" "inspect" "91de5e0bd0a6c785953f23596fc6665b781219ac1570cc9818a87d9c676c3add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91de5e0bd0a6c785953f23596fc6665b781219ac1570cc9818a87d9c676c3add", kill_on_drop: false }`
[INFO] [stdout] 91de5e0bd0a6c785953f23596fc6665b781219ac1570cc9818a87d9c676c3add