[INFO] fetching crate gitopen 1.4.0...
[INFO] checking gitopen-1.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gitopen 1.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate gitopen 1.4.0 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] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate gitopen 1.4.0
[INFO] finished tweaking crates.io crate gitopen 1.4.0
[INFO] tweaked toml for crates.io crate gitopen 1.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate gitopen 1.4.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-bidi v0.3.10
[INFO] [stderr]   Downloaded raw-window-handle v0.5.0
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded thiserror v1.0.38
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.38
[INFO] [stderr]   Downloaded jni v0.20.0
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[INFO] [stderr]   Downloaded webbrowser v0.8.7
[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] 4c1e3f6cc6dfd5734fe5efa112f47009d0b41723ae2649658c07019893ac46a6
[INFO] running `Command { std: "docker" "start" "-a" "4c1e3f6cc6dfd5734fe5efa112f47009d0b41723ae2649658c07019893ac46a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c1e3f6cc6dfd5734fe5efa112f47009d0b41723ae2649658c07019893ac46a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1e3f6cc6dfd5734fe5efa112f47009d0b41723ae2649658c07019893ac46a6", kill_on_drop: false }`
[INFO] [stdout] 4c1e3f6cc6dfd5734fe5efa112f47009d0b41723ae2649658c07019893ac46a6
[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] 60401d945eab83852560c924d0df8b3912f1ef8af476a2f066c1792e19d11dfc
[INFO] running `Command { std: "docker" "start" "-a" "60401d945eab83852560c924d0df8b3912f1ef8af476a2f066c1792e19d11dfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking webbrowser v0.8.7
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking gitopen v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `Command { std: "docker" "inspect" "60401d945eab83852560c924d0df8b3912f1ef8af476a2f066c1792e19d11dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60401d945eab83852560c924d0df8b3912f1ef8af476a2f066c1792e19d11dfc", kill_on_drop: false }`
[INFO] [stdout] 60401d945eab83852560c924d0df8b3912f1ef8af476a2f066c1792e19d11dfc
[INFO] checking gitopen-1.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate gitopen 1.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate gitopen 1.4.0 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] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate gitopen 1.4.0
[INFO] finished tweaking crates.io crate gitopen 1.4.0
[INFO] tweaked toml for crates.io crate gitopen 1.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate gitopen 1.4.0 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] 41ab9c19aca5aba2f4f4258b8d53deed35998e5028a0f6153951d09a7267f46c
[INFO] running `Command { std: "docker" "start" "-a" "41ab9c19aca5aba2f4f4258b8d53deed35998e5028a0f6153951d09a7267f46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41ab9c19aca5aba2f4f4258b8d53deed35998e5028a0f6153951d09a7267f46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ab9c19aca5aba2f4f4258b8d53deed35998e5028a0f6153951d09a7267f46c", kill_on_drop: false }`
[INFO] [stdout] 41ab9c19aca5aba2f4f4258b8d53deed35998e5028a0f6153951d09a7267f46c
[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] 13c31cd0bec6b3aef4718b92b642b5cb1b7dbf13a325d679fa8e45de442a3c53
[INFO] running `Command { std: "docker" "start" "-a" "13c31cd0bec6b3aef4718b92b642b5cb1b7dbf13a325d679fa8e45de442a3c53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking webbrowser v0.8.7
[INFO] [stderr]     Checking gitopen v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "13c31cd0bec6b3aef4718b92b642b5cb1b7dbf13a325d679fa8e45de442a3c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c31cd0bec6b3aef4718b92b642b5cb1b7dbf13a325d679fa8e45de442a3c53", kill_on_drop: false }`
[INFO] [stdout] 13c31cd0bec6b3aef4718b92b642b5cb1b7dbf13a325d679fa8e45de442a3c53