[INFO] cloning repository https://github.com/eyemotif/carp2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eyemotif/carp2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feyemotif%2Fcarp2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feyemotif%2Fcarp2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f62c9441336ec6fbaf72171df085d4c9f206e1ba
[INFO] checking eyemotif/carp2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feyemotif%2Fcarp2" "/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/eyemotif/carp2 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/eyemotif/carp2
[INFO] finished tweaking git repo https://github.com/eyemotif/carp2
[INFO] tweaked toml for git repo https://github.com/eyemotif/carp2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eyemotif/carp2 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crates-index v0.18.7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76fb19a27a8e4fa9ee237a6b6e0810e1bbfc9a79a1877022d9184d8d424b3378
[INFO] running `Command { std: "docker" "start" "-a" "76fb19a27a8e4fa9ee237a6b6e0810e1bbfc9a79a1877022d9184d8d424b3378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76fb19a27a8e4fa9ee237a6b6e0810e1bbfc9a79a1877022d9184d8d424b3378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76fb19a27a8e4fa9ee237a6b6e0810e1bbfc9a79a1877022d9184d8d424b3378", kill_on_drop: false }`
[INFO] [stdout] 76fb19a27a8e4fa9ee237a6b6e0810e1bbfc9a79a1877022d9184d8d424b3378
[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=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] eac8817cb173a1a05f13547305976d8a82fa35de1d5609626d0ff65639d6a041
[INFO] running `Command { std: "docker" "start" "-a" "eac8817cb173a1a05f13547305976d8a82fa35de1d5609626d0ff65639d6a041", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.2+1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking git2 v0.14.2
[INFO] [stderr]     Checking crates-index v0.18.7
[INFO] [stderr]     Checking carp2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.95s
[INFO] running `Command { std: "docker" "inspect" "eac8817cb173a1a05f13547305976d8a82fa35de1d5609626d0ff65639d6a041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac8817cb173a1a05f13547305976d8a82fa35de1d5609626d0ff65639d6a041", kill_on_drop: false }`
[INFO] [stdout] eac8817cb173a1a05f13547305976d8a82fa35de1d5609626d0ff65639d6a041
[INFO] checking eyemotif/carp2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feyemotif%2Fcarp2" "/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/eyemotif/carp2 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/eyemotif/carp2
[INFO] finished tweaking git repo https://github.com/eyemotif/carp2
[INFO] tweaked toml for git repo https://github.com/eyemotif/carp2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/eyemotif/carp2 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16469a0122672d69b05f94af025b616cee1e816a76d9f64bf018c47120165d37
[INFO] running `Command { std: "docker" "start" "-a" "16469a0122672d69b05f94af025b616cee1e816a76d9f64bf018c47120165d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16469a0122672d69b05f94af025b616cee1e816a76d9f64bf018c47120165d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16469a0122672d69b05f94af025b616cee1e816a76d9f64bf018c47120165d37", kill_on_drop: false }`
[INFO] [stdout] 16469a0122672d69b05f94af025b616cee1e816a76d9f64bf018c47120165d37
[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=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] 87093ec1ab3cefc3e858538db047fc8db79efd78b67c4d3aa0590d7ce6eb2bf8
[INFO] running `Command { std: "docker" "start" "-a" "87093ec1ab3cefc3e858538db047fc8db79efd78b67c4d3aa0590d7ce6eb2bf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.2+1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking git2 v0.14.2
[INFO] [stderr]     Checking crates-index v0.18.7
[INFO] [stderr]     Checking carp2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.36s
[INFO] running `Command { std: "docker" "inspect" "87093ec1ab3cefc3e858538db047fc8db79efd78b67c4d3aa0590d7ce6eb2bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87093ec1ab3cefc3e858538db047fc8db79efd78b67c4d3aa0590d7ce6eb2bf8", kill_on_drop: false }`
[INFO] [stdout] 87093ec1ab3cefc3e858538db047fc8db79efd78b67c4d3aa0590d7ce6eb2bf8