[INFO] fetching crate finchers-test 0.11.0...
[INFO] checking finchers-test-0.11.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate finchers-test 0.11.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate finchers-test 0.11.0 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 finchers-test 0.11.0
[INFO] finished tweaking crates.io crate finchers-test 0.11.0
[INFO] tweaked toml for crates.io crate finchers-test 0.11.0 written to /workspace/builds/worker-7-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 97 packages
[INFO] [stderr]       Adding base64 v0.9.3 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding crossbeam-deque v0.7.4 (latest: v0.8.5)
[INFO] [stderr]       Adding crossbeam-epoch v0.8.2 (latest: v0.9.18)
[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 futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding http v0.1.21 (latest: v1.1.0)
[INFO] [stderr]       Adding hyper v0.11.27 (latest: v1.2.0)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding language-tags v0.2.2 (latest: v0.3.2)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.11)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding parking_lot v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.6.3 (latest: v0.9.9)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding scoped-tls v0.1.2 (latest: v1.0.1)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding tokio v0.1.22 (latest: v1.37.0)
[INFO] [stderr]       Adding try-lock v0.1.0 (latest: v0.2.5)
[INFO] [stderr]       Adding want v0.0.4 (latest: v0.3.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded relay v0.1.1
[INFO] [stderr]   Downloaded want v0.0.4
[INFO] [stderr]   Downloaded finchers-core v0.11.0
[INFO] [stderr]   Downloaded try-lock v0.1.0
[INFO] [stderr]   Downloaded hyper v0.11.27
[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] 1dd421ea123145ee1b0f04ab5283dc83e41fb3601e99120e6c10dd7ce2aab55e
[INFO] running `Command { std: "docker" "start" "-a" "1dd421ea123145ee1b0f04ab5283dc83e41fb3601e99120e6c10dd7ce2aab55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd421ea123145ee1b0f04ab5283dc83e41fb3601e99120e6c10dd7ce2aab55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd421ea123145ee1b0f04ab5283dc83e41fb3601e99120e6c10dd7ce2aab55e", kill_on_drop: false }`
[INFO] [stdout] 1dd421ea123145ee1b0f04ab5283dc83e41fb3601e99120e6c10dd7ce2aab55e
[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] c8e05f7ce2983656dbf5fd2f78de0e4cfdcb2dc7a260e8690f9b42eeeb1fb781
[INFO] running `Command { std: "docker" "start" "-a" "c8e05f7ce2983656dbf5fd2f78de0e4cfdcb2dc7a260e8690f9b42eeeb1fb781", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking finchers-core v0.11.0
[INFO] [stderr]     Checking finchers-test v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "c8e05f7ce2983656dbf5fd2f78de0e4cfdcb2dc7a260e8690f9b42eeeb1fb781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e05f7ce2983656dbf5fd2f78de0e4cfdcb2dc7a260e8690f9b42eeeb1fb781", kill_on_drop: false }`
[INFO] [stdout] c8e05f7ce2983656dbf5fd2f78de0e4cfdcb2dc7a260e8690f9b42eeeb1fb781
[INFO] checking finchers-test-0.11.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate finchers-test 0.11.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate finchers-test 0.11.0 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 finchers-test 0.11.0
[INFO] finished tweaking crates.io crate finchers-test 0.11.0
[INFO] tweaked toml for crates.io crate finchers-test 0.11.0 written to /workspace/builds/worker-7-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] [stderr]     Blocking waiting for file lock on package cache
[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] ab449a1cb9ea5772805f6724246320ed9b1ed85a514aba115565f847bd07482a
[INFO] running `Command { std: "docker" "start" "-a" "ab449a1cb9ea5772805f6724246320ed9b1ed85a514aba115565f847bd07482a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab449a1cb9ea5772805f6724246320ed9b1ed85a514aba115565f847bd07482a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab449a1cb9ea5772805f6724246320ed9b1ed85a514aba115565f847bd07482a", kill_on_drop: false }`
[INFO] [stdout] ab449a1cb9ea5772805f6724246320ed9b1ed85a514aba115565f847bd07482a
[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] facb09e343a87c8b8ce525d3531d5617fbee769e40159d3a85dc9696585a0548
[INFO] running `Command { std: "docker" "start" "-a" "facb09e343a87c8b8ce525d3531d5617fbee769e40159d3a85dc9696585a0548", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking finchers-core v0.11.0
[INFO] [stderr]     Checking finchers-test v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "facb09e343a87c8b8ce525d3531d5617fbee769e40159d3a85dc9696585a0548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facb09e343a87c8b8ce525d3531d5617fbee769e40159d3a85dc9696585a0548", kill_on_drop: false }`
[INFO] [stdout] facb09e343a87c8b8ce525d3531d5617fbee769e40159d3a85dc9696585a0548