[INFO] cloning repository https://github.com/grifhughes/rustchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grifhughes/rustchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrifhughes%2Frustchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrifhughes%2Frustchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfe763908ecafd3dd35ae9ee5fcbb8a47d530b6a
[INFO] checking grifhughes/rustchain against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrifhughes%2Frustchain" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grifhughes/rustchain on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grifhughes/rustchain
[INFO] finished tweaking git repo https://github.com/grifhughes/rustchain
[INFO] tweaked toml for git repo https://github.com/grifhughes/rustchain written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/grifhughes/rustchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] warning: TOML file found which contains invalid syntax and will soon not parse
[INFO] [stderr] at `/workspace/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-0.5.5/Cargo.toml`.
[INFO] [stderr] 
[INFO] [stderr] The TOML spec requires newlines after table definitions (e.g., `[a] b = 1` is
[INFO] [stderr] invalid), but this file has a table header which does not have a newline after
[INFO] [stderr] it. A newline needs to be added and this warning will soon become a hard error
[INFO] [stderr] in the future.
[INFO] [stderr]   Downloaded rustc_version v0.1.6
[INFO] [stderr]   Downloaded quasi v0.7.0
[INFO] [stderr]   Downloaded quasi_codegen v0.7.0
[INFO] [stderr]   Downloaded serde_codegen v0.6.14
[INFO] [stderr]   Downloaded bincode v0.4.0
[INFO] [stderr]   Downloaded quasi_macros v0.7.0
[INFO] [stderr]   Downloaded rust-crypto v0.2.34
[INFO] [stderr]   Downloaded aster v0.13.1
[INFO] [stderr]   Downloaded serde_macros v0.6.14
[INFO] [stderr]   Downloaded serde v0.6.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 286a8654650b986cc785991136aaa897b145751db6dfc7d4c67adbe87bb5f739
[INFO] running `Command { std: "docker" "start" "-a" "286a8654650b986cc785991136aaa897b145751db6dfc7d4c67adbe87bb5f739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "286a8654650b986cc785991136aaa897b145751db6dfc7d4c67adbe87bb5f739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286a8654650b986cc785991136aaa897b145751db6dfc7d4c67adbe87bb5f739", kill_on_drop: false }`
[INFO] [stdout] 286a8654650b986cc785991136aaa897b145751db6dfc7d4c67adbe87bb5f739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0146c7c6b17cc7e26df04e2195808a436af2223191a5abaf9394b57000fe413d
[INFO] running `Command { std: "docker" "start" "-a" "0146c7c6b17cc7e26df04e2195808a436af2223191a5abaf9394b57000fe413d", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "0146c7c6b17cc7e26df04e2195808a436af2223191a5abaf9394b57000fe413d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0146c7c6b17cc7e26df04e2195808a436af2223191a5abaf9394b57000fe413d", kill_on_drop: false }`
[INFO] [stdout] 0146c7c6b17cc7e26df04e2195808a436af2223191a5abaf9394b57000fe413d