[INFO] fetching crate mprocs-vt100 0.1.1...
[INFO] checking mprocs-vt100-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mprocs-vt100 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mprocs-vt100 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 mprocs-vt100 0.1.1
[INFO] finished tweaking crates.io crate mprocs-vt100 0.1.1
[INFO] tweaked toml for crates.io crate mprocs-vt100 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mprocs-vt100 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 vte v0.10.1
[INFO] [stderr]   Downloaded syn v1.0.92
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] da79b51e5cd361e2508616983850c52d07053cec27518ba8409614cc00c4773b
[INFO] running `Command { std: "docker" "start" "-a" "da79b51e5cd361e2508616983850c52d07053cec27518ba8409614cc00c4773b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da79b51e5cd361e2508616983850c52d07053cec27518ba8409614cc00c4773b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da79b51e5cd361e2508616983850c52d07053cec27518ba8409614cc00c4773b", kill_on_drop: false }`
[INFO] [stdout] da79b51e5cd361e2508616983850c52d07053cec27518ba8409614cc00c4773b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6ff42dc6b8b413ab5e5f8fbcdf0659e9de0fe62a01ac78288fb0a60dc9a817bb
[INFO] running `Command { std: "docker" "start" "-a" "6ff42dc6b8b413ab5e5f8fbcdf0659e9de0fe62a01ac78288fb0a60dc9a817bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking mprocs-vt100 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.57s
[INFO] running `Command { std: "docker" "inspect" "6ff42dc6b8b413ab5e5f8fbcdf0659e9de0fe62a01ac78288fb0a60dc9a817bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff42dc6b8b413ab5e5f8fbcdf0659e9de0fe62a01ac78288fb0a60dc9a817bb", kill_on_drop: false }`
[INFO] [stdout] 6ff42dc6b8b413ab5e5f8fbcdf0659e9de0fe62a01ac78288fb0a60dc9a817bb