[INFO] fetching crate array-fu 0.0.1-alpha...
[INFO] checking array-fu-0.0.1-alpha against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate array-fu 0.0.1-alpha into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate array-fu 0.0.1-alpha 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 array-fu 0.0.1-alpha
[INFO] finished tweaking crates.io crate array-fu 0.0.1-alpha
[INFO] tweaked toml for crates.io crate array-fu 0.0.1-alpha written to /workspace/builds/worker-3-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 36d03e0db4234e6fc52f2b668bd02c101a9913f2769e4c61ec8d059608648d64
[INFO] running `Command { std: "docker" "start" "-a" "36d03e0db4234e6fc52f2b668bd02c101a9913f2769e4c61ec8d059608648d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d03e0db4234e6fc52f2b668bd02c101a9913f2769e4c61ec8d059608648d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d03e0db4234e6fc52f2b668bd02c101a9913f2769e4c61ec8d059608648d64", kill_on_drop: false }`
[INFO] [stdout] 36d03e0db4234e6fc52f2b668bd02c101a9913f2769e4c61ec8d059608648d64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0092f17818c12616ebb19fa3eb1006bf6e0d4c667b9a99818ed957db8c26cc4a
[INFO] running `Command { std: "docker" "start" "-a" "0092f17818c12616ebb19fa3eb1006bf6e0d4c667b9a99818ed957db8c26cc4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking array-fu v0.0.1-alpha (/opt/rustwide/workdir)
[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 rand v0.8.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "0092f17818c12616ebb19fa3eb1006bf6e0d4c667b9a99818ed957db8c26cc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0092f17818c12616ebb19fa3eb1006bf6e0d4c667b9a99818ed957db8c26cc4a", kill_on_drop: false }`
[INFO] [stdout] 0092f17818c12616ebb19fa3eb1006bf6e0d4c667b9a99818ed957db8c26cc4a
[INFO] checking array-fu-0.0.1-alpha against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate array-fu 0.0.1-alpha into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate array-fu 0.0.1-alpha 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 array-fu 0.0.1-alpha
[INFO] finished tweaking crates.io crate array-fu 0.0.1-alpha
[INFO] tweaked toml for crates.io crate array-fu 0.0.1-alpha written to /workspace/builds/worker-3-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]     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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b433bdd5b2ba37e0d0e4f00296b479e99ae2fc561e073d1c645c5c829869b3d1
[INFO] running `Command { std: "docker" "start" "-a" "b433bdd5b2ba37e0d0e4f00296b479e99ae2fc561e073d1c645c5c829869b3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b433bdd5b2ba37e0d0e4f00296b479e99ae2fc561e073d1c645c5c829869b3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b433bdd5b2ba37e0d0e4f00296b479e99ae2fc561e073d1c645c5c829869b3d1", kill_on_drop: false }`
[INFO] [stdout] b433bdd5b2ba37e0d0e4f00296b479e99ae2fc561e073d1c645c5c829869b3d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3361c270d2beb678dc94f83a225ad9e0942cf5e7864c86e88f37c9cb6207d645
[INFO] running `Command { std: "docker" "start" "-a" "3361c270d2beb678dc94f83a225ad9e0942cf5e7864c86e88f37c9cb6207d645", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking array-fu v0.0.1-alpha (/opt/rustwide/workdir)
[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 rand v0.8.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "3361c270d2beb678dc94f83a225ad9e0942cf5e7864c86e88f37c9cb6207d645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3361c270d2beb678dc94f83a225ad9e0942cf5e7864c86e88f37c9cb6207d645", kill_on_drop: false }`
[INFO] [stdout] 3361c270d2beb678dc94f83a225ad9e0942cf5e7864c86e88f37c9cb6207d645