[INFO] cloning repository https://github.com/dcabrejas/rust-conditional-task-tree-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcabrejas/rust-conditional-task-tree-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcabrejas%2Frust-conditional-task-tree-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcabrejas%2Frust-conditional-task-tree-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1de9dc4d8ad3ebfb13b2d5b050ec3274895ce340
[INFO] checking dcabrejas/rust-conditional-task-tree-example against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcabrejas%2Frust-conditional-task-tree-example" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcabrejas/rust-conditional-task-tree-example on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dcabrejas/rust-conditional-task-tree-example
[INFO] finished tweaking git repo https://github.com/dcabrejas/rust-conditional-task-tree-example
[INFO] tweaked toml for git repo https://github.com/dcabrejas/rust-conditional-task-tree-example written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dcabrejas/rust-conditional-task-tree-example 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a01ead6c124983d9dccb2b074ed7b6e360c10de7add058e30bbcbdf8bb3ac166
[INFO] running `Command { std: "docker" "start" "-a" "a01ead6c124983d9dccb2b074ed7b6e360c10de7add058e30bbcbdf8bb3ac166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a01ead6c124983d9dccb2b074ed7b6e360c10de7add058e30bbcbdf8bb3ac166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01ead6c124983d9dccb2b074ed7b6e360c10de7add058e30bbcbdf8bb3ac166", kill_on_drop: false }`
[INFO] [stdout] a01ead6c124983d9dccb2b074ed7b6e360c10de7add058e30bbcbdf8bb3ac166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26cb3287f895ba0ba582e7f3a1255f83e8caada4b9df43e5f206ba85eefbb79d
[INFO] running `Command { std: "docker" "start" "-a" "26cb3287f895ba0ba582e7f3a1255f83e8caada4b9df43e5f206ba85eefbb79d", kill_on_drop: false }`
[INFO] [stderr]     Checking conditional-task-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "26cb3287f895ba0ba582e7f3a1255f83e8caada4b9df43e5f206ba85eefbb79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cb3287f895ba0ba582e7f3a1255f83e8caada4b9df43e5f206ba85eefbb79d", kill_on_drop: false }`
[INFO] [stdout] 26cb3287f895ba0ba582e7f3a1255f83e8caada4b9df43e5f206ba85eefbb79d
[INFO] checking dcabrejas/rust-conditional-task-tree-example against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcabrejas%2Frust-conditional-task-tree-example" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcabrejas/rust-conditional-task-tree-example on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dcabrejas/rust-conditional-task-tree-example
[INFO] finished tweaking git repo https://github.com/dcabrejas/rust-conditional-task-tree-example
[INFO] tweaked toml for git repo https://github.com/dcabrejas/rust-conditional-task-tree-example written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dcabrejas/rust-conditional-task-tree-example 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bad55da8e84e21c32f432c1c4d1b81cecd1d4c157886df7a518d94c7473cbbcf
[INFO] running `Command { std: "docker" "start" "-a" "bad55da8e84e21c32f432c1c4d1b81cecd1d4c157886df7a518d94c7473cbbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bad55da8e84e21c32f432c1c4d1b81cecd1d4c157886df7a518d94c7473cbbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad55da8e84e21c32f432c1c4d1b81cecd1d4c157886df7a518d94c7473cbbcf", kill_on_drop: false }`
[INFO] [stdout] bad55da8e84e21c32f432c1c4d1b81cecd1d4c157886df7a518d94c7473cbbcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87df3948ea47c43ba511fd5828a055e61745d0ed146dd54972a9111118e09c0e
[INFO] running `Command { std: "docker" "start" "-a" "87df3948ea47c43ba511fd5828a055e61745d0ed146dd54972a9111118e09c0e", kill_on_drop: false }`
[INFO] [stderr]     Checking conditional-task-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "87df3948ea47c43ba511fd5828a055e61745d0ed146dd54972a9111118e09c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87df3948ea47c43ba511fd5828a055e61745d0ed146dd54972a9111118e09c0e", kill_on_drop: false }`
[INFO] [stdout] 87df3948ea47c43ba511fd5828a055e61745d0ed146dd54972a9111118e09c0e