[INFO] cloning repository https://github.com/triplethreadinggh/triplethreading
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triplethreadinggh/triplethreading" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriplethreadinggh%2Ftriplethreading", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriplethreadinggh%2Ftriplethreading'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ccbb9d4eabc32318d75f1ee899faf6f863ce704
[INFO] checking triplethreadinggh/triplethreading against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriplethreadinggh%2Ftriplethreading" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/triplethreadinggh/triplethreading
[INFO] finished tweaking git repo https://github.com/triplethreadinggh/triplethreading
[INFO] tweaked toml for git repo https://github.com/triplethreadinggh/triplethreading written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/triplethreadinggh/triplethreading on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/triplethreadinggh/triplethreading 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.22.6
[INFO] [stderr]   Downloaded pyo3-ffi v0.22.6
[INFO] [stderr]   Downloaded pyo3-build-config v0.22.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.22.6
[INFO] [stderr]   Downloaded pyo3 v0.22.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c60945f0458ffe82e4e98e6922f4e353ed574a3b4cc15ccdfd6e79043a4138c2
[INFO] running `Command { std: "docker" "start" "-a" "c60945f0458ffe82e4e98e6922f4e353ed574a3b4cc15ccdfd6e79043a4138c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c60945f0458ffe82e4e98e6922f4e353ed574a3b4cc15ccdfd6e79043a4138c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60945f0458ffe82e4e98e6922f4e353ed574a3b4cc15ccdfd6e79043a4138c2", kill_on_drop: false }`
[INFO] [stdout] c60945f0458ffe82e4e98e6922f4e353ed574a3b4cc15ccdfd6e79043a4138c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01971bfb310694ff79b207a0628ccbfac0026cd0c3ad76a8678a25431f303cac
[INFO] running `Command { std: "docker" "start" "-a" "01971bfb310694ff79b207a0628ccbfac0026cd0c3ad76a8678a25431f303cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling pyo3-ffi v0.22.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.6
[INFO] [stderr]    Compiling pyo3 v0.22.6
[INFO] [stderr]    Compiling pyo3-macros v0.22.6
[INFO] [stderr]     Checking triplethreading v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.35s
[INFO] running `Command { std: "docker" "inspect" "01971bfb310694ff79b207a0628ccbfac0026cd0c3ad76a8678a25431f303cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01971bfb310694ff79b207a0628ccbfac0026cd0c3ad76a8678a25431f303cac", kill_on_drop: false }`
[INFO] [stdout] 01971bfb310694ff79b207a0628ccbfac0026cd0c3ad76a8678a25431f303cac