[INFO] fetching crate predicates-tree 1.0.9...
[INFO] checking predicates-tree-1.0.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate predicates-tree 1.0.9 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate predicates-tree 1.0.9 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 predicates-tree 1.0.9
[INFO] finished tweaking crates.io crate predicates-tree 1.0.9
[INFO] tweaked toml for crates.io crate predicates-tree 1.0.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate predicates-tree 1.0.9 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]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle v0.3.1
[INFO] [stderr]   Downloaded predicates v3.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4e5983001b527f577e4bbe16934384c01033dbb80f28f1bfd94b76285e1d0466
[INFO] running `Command { std: "docker" "start" "-a" "4e5983001b527f577e4bbe16934384c01033dbb80f28f1bfd94b76285e1d0466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5983001b527f577e4bbe16934384c01033dbb80f28f1bfd94b76285e1d0466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5983001b527f577e4bbe16934384c01033dbb80f28f1bfd94b76285e1d0466", kill_on_drop: false }`
[INFO] [stdout] 4e5983001b527f577e4bbe16934384c01033dbb80f28f1bfd94b76285e1d0466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f58d2378a3f99723c0c61a89705626cd028de6fd4da875ce12863554e5f1bb80
[INFO] running `Command { std: "docker" "start" "-a" "f58d2378a3f99723c0c61a89705626cd028de6fd4da875ce12863554e5f1bb80", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking anstyle v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking predicates-tree v1.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking predicates v3.0.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "f58d2378a3f99723c0c61a89705626cd028de6fd4da875ce12863554e5f1bb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58d2378a3f99723c0c61a89705626cd028de6fd4da875ce12863554e5f1bb80", kill_on_drop: false }`
[INFO] [stdout] f58d2378a3f99723c0c61a89705626cd028de6fd4da875ce12863554e5f1bb80
[INFO] checking predicates-tree-1.0.9 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate predicates-tree 1.0.9 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate predicates-tree 1.0.9 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 predicates-tree 1.0.9
[INFO] finished tweaking crates.io crate predicates-tree 1.0.9
[INFO] tweaked toml for crates.io crate predicates-tree 1.0.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate predicates-tree 1.0.9 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a0a4edc2b82c6c631c2caa47bc055a37fb79f3e82233fea68b677a0d5c9d2120
[INFO] running `Command { std: "docker" "start" "-a" "a0a4edc2b82c6c631c2caa47bc055a37fb79f3e82233fea68b677a0d5c9d2120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a4edc2b82c6c631c2caa47bc055a37fb79f3e82233fea68b677a0d5c9d2120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a4edc2b82c6c631c2caa47bc055a37fb79f3e82233fea68b677a0d5c9d2120", kill_on_drop: false }`
[INFO] [stdout] a0a4edc2b82c6c631c2caa47bc055a37fb79f3e82233fea68b677a0d5c9d2120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 371dd1ae91b80029cb784930dad73387b520ab73994a715b235de3f5c2233537
[INFO] running `Command { std: "docker" "start" "-a" "371dd1ae91b80029cb784930dad73387b520ab73994a715b235de3f5c2233537", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking anstyle v0.3.1
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking predicates-tree v1.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking predicates v3.0.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "371dd1ae91b80029cb784930dad73387b520ab73994a715b235de3f5c2233537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371dd1ae91b80029cb784930dad73387b520ab73994a715b235de3f5c2233537", kill_on_drop: false }`
[INFO] [stdout] 371dd1ae91b80029cb784930dad73387b520ab73994a715b235de3f5c2233537