[INFO] cloning repository https://github.com/Takashiidobe/treelox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Takashiidobe/treelox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Ftreelox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Ftreelox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2b0633def78a3af225f8a7c386d4b2e5684b283
[INFO] checking Takashiidobe/treelox/f2b0633def78a3af225f8a7c386d4b2e5684b283 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Ftreelox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Takashiidobe/treelox on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Takashiidobe/treelox
[INFO] finished tweaking git repo https://github.com/Takashiidobe/treelox
[INFO] tweaked toml for git repo https://github.com/Takashiidobe/treelox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Takashiidobe/treelox 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded insta-cmd v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c3726cb8b60e95f6b6fc47972ac484cbda22d1f38485770ff73a4e2e9a7a02
[INFO] running `Command { std: "docker" "start" "-a" "e2c3726cb8b60e95f6b6fc47972ac484cbda22d1f38485770ff73a4e2e9a7a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c3726cb8b60e95f6b6fc47972ac484cbda22d1f38485770ff73a4e2e9a7a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c3726cb8b60e95f6b6fc47972ac484cbda22d1f38485770ff73a4e2e9a7a02", kill_on_drop: false }`
[INFO] [stdout] e2c3726cb8b60e95f6b6fc47972ac484cbda22d1f38485770ff73a4e2e9a7a02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ed8e17b44ec27da129228475c92400c29bbc918ea734278eebc2ddabed3fa2
[INFO] running `Command { std: "docker" "start" "-a" "71ed8e17b44ec27da129228475c92400c29bbc918ea734278eebc2ddabed3fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking similar v2.4.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking treelox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking insta v1.35.1
[INFO] [stderr]     Checking insta-cmd v0.5.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "71ed8e17b44ec27da129228475c92400c29bbc918ea734278eebc2ddabed3fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ed8e17b44ec27da129228475c92400c29bbc918ea734278eebc2ddabed3fa2", kill_on_drop: false }`
[INFO] [stdout] 71ed8e17b44ec27da129228475c92400c29bbc918ea734278eebc2ddabed3fa2