[INFO] cloning repository https://github.com/jht5945/rotate-puts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jht5945/rotate-puts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjht5945%2Frotate-puts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjht5945%2Frotate-puts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68c6732c4b1f415e9425381eb54422eb23adf396
[INFO] checking jht5945/rotate-puts against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjht5945%2Frotate-puts" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jht5945/rotate-puts on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jht5945/rotate-puts
[INFO] finished tweaking git repo https://github.com/jht5945/rotate-puts
[INFO] tweaked toml for git repo https://github.com/jht5945/rotate-puts written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jht5945/rotate-puts 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.47
[INFO] [stderr]   Downloaded daemonize v0.5.0
[INFO] [stderr]   Downloaded thiserror v1.0.47
[INFO] [stderr]   Downloaded rust_util v0.6.41
[INFO] [stderr]   Downloaded syn v2.0.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b443bf0984074c0180598555a3c21fac1f5089d7285f0b3bf2a4c4e062a00d53
[INFO] running `Command { std: "docker" "start" "-a" "b443bf0984074c0180598555a3c21fac1f5089d7285f0b3bf2a4c4e062a00d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b443bf0984074c0180598555a3c21fac1f5089d7285f0b3bf2a4c4e062a00d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b443bf0984074c0180598555a3c21fac1f5089d7285f0b3bf2a4c4e062a00d53", kill_on_drop: false }`
[INFO] [stdout] b443bf0984074c0180598555a3c21fac1f5089d7285f0b3bf2a4c4e062a00d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f86ea0e0a394ac2e62c0eacd18901da4ad36a75059d89776808f15f0d3f8a7
[INFO] running `Command { std: "docker" "start" "-a" "08f86ea0e0a394ac2e62c0eacd18901da4ad36a75059d89776808f15f0d3f8a7", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking daemonize v0.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rust_util v0.6.41
[INFO] [stderr]     Checking rotate-puts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "08f86ea0e0a394ac2e62c0eacd18901da4ad36a75059d89776808f15f0d3f8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f86ea0e0a394ac2e62c0eacd18901da4ad36a75059d89776808f15f0d3f8a7", kill_on_drop: false }`
[INFO] [stdout] 08f86ea0e0a394ac2e62c0eacd18901da4ad36a75059d89776808f15f0d3f8a7