[INFO] fetching crate bionic-ebooks 0.1.1...
[INFO] checking bionic-ebooks-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate bionic-ebooks 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bionic-ebooks 0.1.1 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 bionic-ebooks 0.1.1
[INFO] finished tweaking crates.io crate bionic-ebooks 0.1.1
[INFO] tweaked toml for crates.io crate bionic-ebooks 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate bionic-ebooks 0.1.1 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 flate2 v1.0.26
[INFO] [stderr]   Downloaded xmltree v0.10.3
[INFO] [stderr]   Downloaded xml-rs v0.8.13
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9443b2ca1183c618e495ccdb41baf6e3a0545c5e9829581dcfa58900d1b9996e
[INFO] running `Command { std: "docker" "start" "-a" "9443b2ca1183c618e495ccdb41baf6e3a0545c5e9829581dcfa58900d1b9996e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9443b2ca1183c618e495ccdb41baf6e3a0545c5e9829581dcfa58900d1b9996e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9443b2ca1183c618e495ccdb41baf6e3a0545c5e9829581dcfa58900d1b9996e", kill_on_drop: false }`
[INFO] [stdout] 9443b2ca1183c618e495ccdb41baf6e3a0545c5e9829581dcfa58900d1b9996e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f00866dcac081f43943cfa214257ebe38b57b4b16207199bf1d2d128e89670a2
[INFO] running `Command { std: "docker" "start" "-a" "f00866dcac081f43943cfa214257ebe38b57b4b16207199bf1d2d128e89670a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking xml-rs v0.8.13
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking bionic-ebooks v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "f00866dcac081f43943cfa214257ebe38b57b4b16207199bf1d2d128e89670a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00866dcac081f43943cfa214257ebe38b57b4b16207199bf1d2d128e89670a2", kill_on_drop: false }`
[INFO] [stdout] f00866dcac081f43943cfa214257ebe38b57b4b16207199bf1d2d128e89670a2
[INFO] checking bionic-ebooks-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate bionic-ebooks 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bionic-ebooks 0.1.1 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 bionic-ebooks 0.1.1
[INFO] finished tweaking crates.io crate bionic-ebooks 0.1.1
[INFO] tweaked toml for crates.io crate bionic-ebooks 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate bionic-ebooks 0.1.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a3493781d98dc2d916d02ec8e29d56c3629a509acc7d7250704d4a0820f4831c
[INFO] running `Command { std: "docker" "start" "-a" "a3493781d98dc2d916d02ec8e29d56c3629a509acc7d7250704d4a0820f4831c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3493781d98dc2d916d02ec8e29d56c3629a509acc7d7250704d4a0820f4831c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3493781d98dc2d916d02ec8e29d56c3629a509acc7d7250704d4a0820f4831c", kill_on_drop: false }`
[INFO] [stdout] a3493781d98dc2d916d02ec8e29d56c3629a509acc7d7250704d4a0820f4831c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6189219d79176eaae2cbf54dd806c5dacea2c588ace5af9d5c0442dce5a80f0e
[INFO] running `Command { std: "docker" "start" "-a" "6189219d79176eaae2cbf54dd806c5dacea2c588ace5af9d5c0442dce5a80f0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking xml-rs v0.8.13
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking bionic-ebooks v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "6189219d79176eaae2cbf54dd806c5dacea2c588ace5af9d5c0442dce5a80f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6189219d79176eaae2cbf54dd806c5dacea2c588ace5af9d5c0442dce5a80f0e", kill_on_drop: false }`
[INFO] [stdout] 6189219d79176eaae2cbf54dd806c5dacea2c588ace5af9d5c0442dce5a80f0e