[INFO] fetching crate component_group 3.0.0...
[INFO] checking component_group-3.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate component_group 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate component_group 3.0.0 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] started tweaking crates.io crate component_group 3.0.0
[INFO] finished tweaking crates.io crate component_group 3.0.0
[INFO] tweaked toml for crates.io crate component_group 3.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 79 packages
[INFO] [stderr]       Adding ahash v0.3.8 (latest: v0.8.11)
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding compiletest_rs v0.5.0 (latest: v0.10.2)
[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (latest: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.19)
[INFO] [stderr]       Adding dirs v2.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding hashbrown v0.7.2 (latest: v0.14.3)
[INFO] [stderr]       Adding miow v0.3.7 (latest: v0.6.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding rustfix v0.5.1 (latest: v0.8.1)
[INFO] [stderr]       Adding shred v0.10.2 (latest: v0.16.0)
[INFO] [stderr]       Adding specs v0.16.1 (latest: v0.20.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding term v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding tester v0.7.0 (latest: v0.9.1)
[INFO] [stderr]       Adding tuple_utils v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuple_utils v0.3.0
[INFO] [stderr]   Downloaded mopa v0.2.2
[INFO] [stderr]   Downloaded shred v0.10.2
[INFO] [stderr]   Downloaded tynm v0.1.10
[INFO] [stderr]   Downloaded component_group_derive v3.0.0
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded compiletest_rs v0.5.0
[INFO] [stderr]   Downloaded specs-derive v0.4.1
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded tester v0.7.0
[INFO] [stderr]   Downloaded hibitset v0.6.4
[INFO] [stderr]   Downloaded shrev v1.1.3
[INFO] [stderr]   Downloaded specs v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ba31129944d8286a2396b065cdd2e0b0e06a473beb2af09a902f8c47d866d8df
[INFO] running `Command { std: "docker" "start" "-a" "ba31129944d8286a2396b065cdd2e0b0e06a473beb2af09a902f8c47d866d8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba31129944d8286a2396b065cdd2e0b0e06a473beb2af09a902f8c47d866d8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba31129944d8286a2396b065cdd2e0b0e06a473beb2af09a902f8c47d866d8df", kill_on_drop: false }`
[INFO] [stdout] ba31129944d8286a2396b065cdd2e0b0e06a473beb2af09a902f8c47d866d8df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 640b7f1c366c8a9bff5b9641144f4c5ce8d2aaa16d23cdc30b42ece5b26d83e9
[INFO] running `Command { std: "docker" "start" "-a" "640b7f1c366c8a9bff5b9641144f4c5ce8d2aaa16d23cdc30b42ece5b26d83e9", kill_on_drop: false }`
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking shrev v1.1.3
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking tester v0.7.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking tynm v0.1.10
[INFO] [stderr]    Compiling component_group_derive v3.0.0
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]     Checking hibitset v0.6.4
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking component_group v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "640b7f1c366c8a9bff5b9641144f4c5ce8d2aaa16d23cdc30b42ece5b26d83e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640b7f1c366c8a9bff5b9641144f4c5ce8d2aaa16d23cdc30b42ece5b26d83e9", kill_on_drop: false }`
[INFO] [stdout] 640b7f1c366c8a9bff5b9641144f4c5ce8d2aaa16d23cdc30b42ece5b26d83e9
[INFO] checking component_group-3.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate component_group 3.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate component_group 3.0.0 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] started tweaking crates.io crate component_group 3.0.0
[INFO] finished tweaking crates.io crate component_group 3.0.0
[INFO] tweaked toml for crates.io crate component_group 3.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 807b1edbf59f7c51fe04be8692e78626a2df35eab33434d72e05ae9fb4c15356
[INFO] running `Command { std: "docker" "start" "-a" "807b1edbf59f7c51fe04be8692e78626a2df35eab33434d72e05ae9fb4c15356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "807b1edbf59f7c51fe04be8692e78626a2df35eab33434d72e05ae9fb4c15356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807b1edbf59f7c51fe04be8692e78626a2df35eab33434d72e05ae9fb4c15356", kill_on_drop: false }`
[INFO] [stdout] 807b1edbf59f7c51fe04be8692e78626a2df35eab33434d72e05ae9fb4c15356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 194c1c079b75720db300898e650760d6ada30a8fec31afc9eb61a00e9bbae14f
[INFO] running `Command { std: "docker" "start" "-a" "194c1c079b75720db300898e650760d6ada30a8fec31afc9eb61a00e9bbae14f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]     Checking shrev v1.1.3
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tester v0.7.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking tynm v0.1.10
[INFO] [stderr]    Compiling component_group_derive v3.0.0
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]     Checking hibitset v0.6.4
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking component_group v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "194c1c079b75720db300898e650760d6ada30a8fec31afc9eb61a00e9bbae14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194c1c079b75720db300898e650760d6ada30a8fec31afc9eb61a00e9bbae14f", kill_on_drop: false }`
[INFO] [stdout] 194c1c079b75720db300898e650760d6ada30a8fec31afc9eb61a00e9bbae14f