[INFO] fetching crate prefix 1.0.4...
[INFO] checking prefix-1.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate prefix 1.0.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate prefix 1.0.4 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 crates.io crate prefix 1.0.4
[INFO] finished tweaking crates.io crate prefix 1.0.4
[INFO] tweaked toml for crates.io crate prefix 1.0.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate prefix 1.0.4 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 clap_derive v3.1.18
[INFO] [stderr]   Downloaded clap_mangen v0.1.6
[INFO] [stderr]   Downloaded indexmap v1.8.2
[INFO] [stderr]   Downloaded roff v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.96
[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] 9c214ad8784a1ed3e99dd720825919a5faf78ea84e690617a671080dac83521f
[INFO] running `Command { std: "docker" "start" "-a" "9c214ad8784a1ed3e99dd720825919a5faf78ea84e690617a671080dac83521f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c214ad8784a1ed3e99dd720825919a5faf78ea84e690617a671080dac83521f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c214ad8784a1ed3e99dd720825919a5faf78ea84e690617a671080dac83521f", kill_on_drop: false }`
[INFO] [stdout] 9c214ad8784a1ed3e99dd720825919a5faf78ea84e690617a671080dac83521f
[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] 03617dc2de4e789154f91de464cb37acb254fade6937d3fdcdf1499b754dc7b5
[INFO] running `Command { std: "docker" "start" "-a" "03617dc2de4e789154f91de464cb37acb254fade6937d3fdcdf1499b754dc7b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling roff v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling clap v3.1.18
[INFO] [stderr]    Compiling clap_complete v3.1.4
[INFO] [stderr]    Compiling clap_mangen v0.1.6
[INFO] [stderr]    Compiling prefix v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-ff7129b19578612b/out/prefix.bash"
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-ff7129b19578612b/out/prefix.fish"
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-ff7129b19578612b/out/_prefix.ps1"
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-ff7129b19578612b/out/_prefix"
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-ff7129b19578612b/out/prefix.1"
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `Command { std: "docker" "inspect" "03617dc2de4e789154f91de464cb37acb254fade6937d3fdcdf1499b754dc7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03617dc2de4e789154f91de464cb37acb254fade6937d3fdcdf1499b754dc7b5", kill_on_drop: false }`
[INFO] [stdout] 03617dc2de4e789154f91de464cb37acb254fade6937d3fdcdf1499b754dc7b5
[INFO] checking prefix-1.0.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate prefix 1.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate prefix 1.0.4 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 crates.io crate prefix 1.0.4
[INFO] finished tweaking crates.io crate prefix 1.0.4
[INFO] tweaked toml for crates.io crate prefix 1.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate prefix 1.0.4 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] 8b277587a58c2b1378d70589f4714028c0bf65790e9e865339a7b77b38a98ed6
[INFO] running `Command { std: "docker" "start" "-a" "8b277587a58c2b1378d70589f4714028c0bf65790e9e865339a7b77b38a98ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b277587a58c2b1378d70589f4714028c0bf65790e9e865339a7b77b38a98ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b277587a58c2b1378d70589f4714028c0bf65790e9e865339a7b77b38a98ed6", kill_on_drop: false }`
[INFO] [stdout] 8b277587a58c2b1378d70589f4714028c0bf65790e9e865339a7b77b38a98ed6
[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] afe9d4e09603aa4349064e061829ac556ce86d9d8b4c9545ff575701ea9db6eb
[INFO] running `Command { std: "docker" "start" "-a" "afe9d4e09603aa4349064e061829ac556ce86d9d8b4c9545ff575701ea9db6eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling roff v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling clap v3.1.18
[INFO] [stderr]    Compiling clap_mangen v0.1.6
[INFO] [stderr]    Compiling clap_complete v3.1.4
[INFO] [stderr]    Compiling prefix v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-88b8d0ac63d2243a/out/prefix.bash"
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-88b8d0ac63d2243a/out/prefix.fish"
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-88b8d0ac63d2243a/out/_prefix.ps1"
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-88b8d0ac63d2243a/out/_prefix"
[INFO] [stderr] warning: prefix@1.0.4: completion file is generated: "/opt/rustwide/target/debug/build/prefix-88b8d0ac63d2243a/out/prefix.1"
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.39s
[INFO] running `Command { std: "docker" "inspect" "afe9d4e09603aa4349064e061829ac556ce86d9d8b4c9545ff575701ea9db6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe9d4e09603aa4349064e061829ac556ce86d9d8b4c9545ff575701ea9db6eb", kill_on_drop: false }`
[INFO] [stdout] afe9d4e09603aa4349064e061829ac556ce86d9d8b4c9545ff575701ea9db6eb