[INFO] fetching crate pinboard 2.2.0...
[INFO] checking pinboard-2.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pinboard 2.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pinboard 2.2.0 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 pinboard 2.2.0
[INFO] finished tweaking crates.io crate pinboard 2.2.0
[INFO] tweaked toml for crates.io crate pinboard 2.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate pinboard 2.2.0 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] 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] 699e09cdd9924cc2f118fb47209872c14a0ded2245bc67d4dfd3a27be5dbfb98
[INFO] running `Command { std: "docker" "start" "-a" "699e09cdd9924cc2f118fb47209872c14a0ded2245bc67d4dfd3a27be5dbfb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "699e09cdd9924cc2f118fb47209872c14a0ded2245bc67d4dfd3a27be5dbfb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699e09cdd9924cc2f118fb47209872c14a0ded2245bc67d4dfd3a27be5dbfb98", kill_on_drop: false }`
[INFO] [stdout] 699e09cdd9924cc2f118fb47209872c14a0ded2245bc67d4dfd3a27be5dbfb98
[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] ac25232f171acc79ff38edcf5f1bdce0a2f5b03f2f9599bcc18fea04798aa419
[INFO] running `Command { std: "docker" "start" "-a" "ac25232f171acc79ff38edcf5f1bdce0a2f5b03f2f9599bcc18fea04798aa419", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking pinboard v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "ac25232f171acc79ff38edcf5f1bdce0a2f5b03f2f9599bcc18fea04798aa419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac25232f171acc79ff38edcf5f1bdce0a2f5b03f2f9599bcc18fea04798aa419", kill_on_drop: false }`
[INFO] [stdout] ac25232f171acc79ff38edcf5f1bdce0a2f5b03f2f9599bcc18fea04798aa419
[INFO] checking pinboard-2.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate pinboard 2.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate pinboard 2.2.0 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 pinboard 2.2.0
[INFO] finished tweaking crates.io crate pinboard 2.2.0
[INFO] tweaked toml for crates.io crate pinboard 2.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate pinboard 2.2.0 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-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] a92a0ebbe4aa5c6886a99a1edfeb5974b440765979c00b05a145a4a55a3095ea
[INFO] running `Command { std: "docker" "start" "-a" "a92a0ebbe4aa5c6886a99a1edfeb5974b440765979c00b05a145a4a55a3095ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92a0ebbe4aa5c6886a99a1edfeb5974b440765979c00b05a145a4a55a3095ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92a0ebbe4aa5c6886a99a1edfeb5974b440765979c00b05a145a4a55a3095ea", kill_on_drop: false }`
[INFO] [stdout] a92a0ebbe4aa5c6886a99a1edfeb5974b440765979c00b05a145a4a55a3095ea
[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] f40528bd8ec42a66338ef6ea1073dcd23b52cdde66a4b6f455df9038e1648ef7
[INFO] running `Command { std: "docker" "start" "-a" "f40528bd8ec42a66338ef6ea1073dcd23b52cdde66a4b6f455df9038e1648ef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking pinboard v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "f40528bd8ec42a66338ef6ea1073dcd23b52cdde66a4b6f455df9038e1648ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40528bd8ec42a66338ef6ea1073dcd23b52cdde66a4b6f455df9038e1648ef7", kill_on_drop: false }`
[INFO] [stdout] f40528bd8ec42a66338ef6ea1073dcd23b52cdde66a4b6f455df9038e1648ef7