[INFO] cloning repository https://github.com/benc-uk/w4-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benc-uk/w4-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenc-uk%2Fw4-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenc-uk%2Fw4-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f5350ab24f6437926acb998a8a95e4070ca3e13
[INFO] checking benc-uk/w4-snake against master#a83f933a9da258cf037e3cab37cd486bfd861a7d for pr-125384-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenc-uk%2Fw4-snake" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benc-uk/w4-snake on toolchain a83f933a9da258cf037e3cab37cd486bfd861a7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/benc-uk/w4-snake
[INFO] finished tweaking git repo https://github.com/benc-uk/w4-snake
[INFO] tweaked toml for git repo https://github.com/benc-uk/w4-snake written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/benc-uk/w4-snake 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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v1.8.0
[INFO] [stderr]   Downloaded buddy-alloc v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3ec1e9c1507193fa4112ed89ea35240fd7d2d14f56a9ce68d71df546c9d870d
[INFO] running `Command { std: "docker" "start" "-a" "f3ec1e9c1507193fa4112ed89ea35240fd7d2d14f56a9ce68d71df546c9d870d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ec1e9c1507193fa4112ed89ea35240fd7d2d14f56a9ce68d71df546c9d870d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ec1e9c1507193fa4112ed89ea35240fd7d2d14f56a9ce68d71df546c9d870d", kill_on_drop: false }`
[INFO] [stdout] f3ec1e9c1507193fa4112ed89ea35240fd7d2d14f56a9ce68d71df546c9d870d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f3e6468cf9bdec6f144aebf0ed28fe5a260d086af2c2d2b81b7b745e1347ee1
[INFO] running `Command { std: "docker" "start" "-a" "5f3e6468cf9bdec6f144aebf0ed28fe5a260d086af2c2d2b81b7b745e1347ee1", kill_on_drop: false }`
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking buddy-alloc v0.4.1
[INFO] [stderr]     Checking cart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "5f3e6468cf9bdec6f144aebf0ed28fe5a260d086af2c2d2b81b7b745e1347ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3e6468cf9bdec6f144aebf0ed28fe5a260d086af2c2d2b81b7b745e1347ee1", kill_on_drop: false }`
[INFO] [stdout] 5f3e6468cf9bdec6f144aebf0ed28fe5a260d086af2c2d2b81b7b745e1347ee1
[INFO] checking benc-uk/w4-snake against try#824024dd18dd271514f9fa2eafbc04ffcab09070 for pr-125384-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenc-uk%2Fw4-snake" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benc-uk/w4-snake on toolchain 824024dd18dd271514f9fa2eafbc04ffcab09070
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+824024dd18dd271514f9fa2eafbc04ffcab09070" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/benc-uk/w4-snake
[INFO] finished tweaking git repo https://github.com/benc-uk/w4-snake
[INFO] tweaked toml for git repo https://github.com/benc-uk/w4-snake written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/benc-uk/w4-snake 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" "+824024dd18dd271514f9fa2eafbc04ffcab09070" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+824024dd18dd271514f9fa2eafbc04ffcab09070" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dde36c33f41e9c0281bd48bbd7dfec213b8b56484c6165814af86f49a10a9e95
[INFO] running `Command { std: "docker" "start" "-a" "dde36c33f41e9c0281bd48bbd7dfec213b8b56484c6165814af86f49a10a9e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dde36c33f41e9c0281bd48bbd7dfec213b8b56484c6165814af86f49a10a9e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde36c33f41e9c0281bd48bbd7dfec213b8b56484c6165814af86f49a10a9e95", kill_on_drop: false }`
[INFO] [stdout] dde36c33f41e9c0281bd48bbd7dfec213b8b56484c6165814af86f49a10a9e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+824024dd18dd271514f9fa2eafbc04ffcab09070" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7fdffdaa8e9a2c0767f0fc02a00e5d6d55e76c454cf815fbee0fb2897b0f2d4
[INFO] running `Command { std: "docker" "start" "-a" "d7fdffdaa8e9a2c0767f0fc02a00e5d6d55e76c454cf815fbee0fb2897b0f2d4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] error: cannot specify two kinds of `message-format` arguments
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --message-format=json --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "d7fdffdaa8e9a2c0767f0fc02a00e5d6d55e76c454cf815fbee0fb2897b0f2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fdffdaa8e9a2c0767f0fc02a00e5d6d55e76c454cf815fbee0fb2897b0f2d4", kill_on_drop: false }`
[INFO] [stdout] d7fdffdaa8e9a2c0767f0fc02a00e5d6d55e76c454cf815fbee0fb2897b0f2d4