[INFO] cloning repository https://github.com/comeyrd/ugly-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comeyrd/ugly-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomeyrd%2Fugly-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomeyrd%2Fugly-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b38f6a470ae94adfa15c5076eff5261dd0034195
[INFO] checking comeyrd/ugly-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomeyrd%2Fugly-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comeyrd/ugly-rust 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/comeyrd/ugly-rust
[INFO] finished tweaking git repo https://github.com/comeyrd/ugly-rust
[INFO] tweaked toml for git repo https://github.com/comeyrd/ugly-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/comeyrd/ugly-rust 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d8663d4a1fd826355bf35d84f9641a11ca24f92ac8c770c2d8c182f56e53370f
[INFO] running `Command { std: "docker" "start" "-a" "d8663d4a1fd826355bf35d84f9641a11ca24f92ac8c770c2d8c182f56e53370f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8663d4a1fd826355bf35d84f9641a11ca24f92ac8c770c2d8c182f56e53370f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8663d4a1fd826355bf35d84f9641a11ca24f92ac8c770c2d8c182f56e53370f", kill_on_drop: false }`
[INFO] [stdout] d8663d4a1fd826355bf35d84f9641a11ca24f92ac8c770c2d8c182f56e53370f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3d88921aa01fcc74d9dd7603cd571783eb6b90ec67841d047e320e500497ca05
[INFO] running `Command { std: "docker" "start" "-a" "3d88921aa01fcc74d9dd7603cd571783eb6b90ec67841d047e320e500497ca05", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking traceserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.73s
[INFO] running `Command { std: "docker" "inspect" "3d88921aa01fcc74d9dd7603cd571783eb6b90ec67841d047e320e500497ca05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d88921aa01fcc74d9dd7603cd571783eb6b90ec67841d047e320e500497ca05", kill_on_drop: false }`
[INFO] [stdout] 3d88921aa01fcc74d9dd7603cd571783eb6b90ec67841d047e320e500497ca05
[INFO] checking comeyrd/ugly-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomeyrd%2Fugly-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comeyrd/ugly-rust 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/comeyrd/ugly-rust
[INFO] finished tweaking git repo https://github.com/comeyrd/ugly-rust
[INFO] tweaked toml for git repo https://github.com/comeyrd/ugly-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/comeyrd/ugly-rust 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 582c131919c6014506d760a8d44a2a9f62e081b5349b69f14611d81b8068a240
[INFO] running `Command { std: "docker" "start" "-a" "582c131919c6014506d760a8d44a2a9f62e081b5349b69f14611d81b8068a240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582c131919c6014506d760a8d44a2a9f62e081b5349b69f14611d81b8068a240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582c131919c6014506d760a8d44a2a9f62e081b5349b69f14611d81b8068a240", kill_on_drop: false }`
[INFO] [stdout] 582c131919c6014506d760a8d44a2a9f62e081b5349b69f14611d81b8068a240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cd48dbd3822681fb5c21aa4a8a573f3acbe98c635b76138030461bfb3e1d0d60
[INFO] running `Command { std: "docker" "start" "-a" "cd48dbd3822681fb5c21aa4a8a573f3acbe98c635b76138030461bfb3e1d0d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking traceserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.80s
[INFO] running `Command { std: "docker" "inspect" "cd48dbd3822681fb5c21aa4a8a573f3acbe98c635b76138030461bfb3e1d0d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd48dbd3822681fb5c21aa4a8a573f3acbe98c635b76138030461bfb3e1d0d60", kill_on_drop: false }`
[INFO] [stdout] cd48dbd3822681fb5c21aa4a8a573f3acbe98c635b76138030461bfb3e1d0d60