[INFO] fetching crate teletypewriter 0.0.28...
[INFO] checking teletypewriter-0.0.28 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate teletypewriter 0.0.28 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate teletypewriter 0.0.28 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 teletypewriter 0.0.28
[INFO] finished tweaking crates.io crate teletypewriter 0.0.28
[INFO] tweaked toml for crates.io crate teletypewriter 0.0.28 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate teletypewriter 0.0.28 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded corcovado v0.0.28
[INFO] [stderr]   Downloaded windows v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bdc4c03011ad8da93c7a9cdd5127f2a5c0d9423b4cb14fe130124d7d0e483057
[INFO] running `Command { std: "docker" "start" "-a" "bdc4c03011ad8da93c7a9cdd5127f2a5c0d9423b4cb14fe130124d7d0e483057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc4c03011ad8da93c7a9cdd5127f2a5c0d9423b4cb14fe130124d7d0e483057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc4c03011ad8da93c7a9cdd5127f2a5c0d9423b4cb14fe130124d7d0e483057", kill_on_drop: false }`
[INFO] [stdout] bdc4c03011ad8da93c7a9cdd5127f2a5c0d9423b4cb14fe130124d7d0e483057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 81b95f7d1984273fa7a4c7191afc1eaf9933bf7f9699c2cf17378ed809b1d929
[INFO] running `Command { std: "docker" "start" "-a" "81b95f7d1984273fa7a4c7191afc1eaf9933bf7f9699c2cf17378ed809b1d929", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking corcovado v0.0.28
[INFO] [stderr]     Checking teletypewriter v0.0.28 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "81b95f7d1984273fa7a4c7191afc1eaf9933bf7f9699c2cf17378ed809b1d929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b95f7d1984273fa7a4c7191afc1eaf9933bf7f9699c2cf17378ed809b1d929", kill_on_drop: false }`
[INFO] [stdout] 81b95f7d1984273fa7a4c7191afc1eaf9933bf7f9699c2cf17378ed809b1d929