[INFO] fetching crate chainerror 1.0.0...
[INFO] checking chainerror-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate chainerror 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate chainerror 1.0.0 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 chainerror 1.0.0
[INFO] finished tweaking crates.io crate chainerror 1.0.0
[INFO] tweaked toml for crates.io crate chainerror 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate chainerror 1.0.0 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-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] cb40eedeebaf34182e9e81c4304c07237913d2b711a910c30991e73195e8bf65
[INFO] running `Command { std: "docker" "start" "-a" "cb40eedeebaf34182e9e81c4304c07237913d2b711a910c30991e73195e8bf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb40eedeebaf34182e9e81c4304c07237913d2b711a910c30991e73195e8bf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb40eedeebaf34182e9e81c4304c07237913d2b711a910c30991e73195e8bf65", kill_on_drop: false }`
[INFO] [stdout] cb40eedeebaf34182e9e81c4304c07237913d2b711a910c30991e73195e8bf65
[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] 8d04f86e4541f23e1ed22112698097e9c5951cbdb4648aa8f7881e11d0004504
[INFO] running `Command { std: "docker" "start" "-a" "8d04f86e4541f23e1ed22112698097e9c5951cbdb4648aa8f7881e11d0004504", kill_on_drop: false }`
[INFO] [stderr]     Checking chainerror v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8d04f86e4541f23e1ed22112698097e9c5951cbdb4648aa8f7881e11d0004504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d04f86e4541f23e1ed22112698097e9c5951cbdb4648aa8f7881e11d0004504", kill_on_drop: false }`
[INFO] [stdout] 8d04f86e4541f23e1ed22112698097e9c5951cbdb4648aa8f7881e11d0004504
[INFO] checking chainerror-1.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate chainerror 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate chainerror 1.0.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chainerror 1.0.0
[INFO] finished tweaking crates.io crate chainerror 1.0.0
[INFO] tweaked toml for crates.io crate chainerror 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate chainerror 1.0.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8bd33ca2b724beb00d12d1daea7d9323478a40cf6e83242d39b7d34158aefd9
[INFO] running `Command { std: "docker" "start" "-a" "e8bd33ca2b724beb00d12d1daea7d9323478a40cf6e83242d39b7d34158aefd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8bd33ca2b724beb00d12d1daea7d9323478a40cf6e83242d39b7d34158aefd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8bd33ca2b724beb00d12d1daea7d9323478a40cf6e83242d39b7d34158aefd9", kill_on_drop: false }`
[INFO] [stdout] e8bd33ca2b724beb00d12d1daea7d9323478a40cf6e83242d39b7d34158aefd9
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bdb36eef7203f4f13534df7cf7fcbde7bab035ddf98633d8eeeed6d4d5f5e09
[INFO] running `Command { std: "docker" "start" "-a" "8bdb36eef7203f4f13534df7cf7fcbde7bab035ddf98633d8eeeed6d4d5f5e09", kill_on_drop: false }`
[INFO] [stderr]     Checking chainerror v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8bdb36eef7203f4f13534df7cf7fcbde7bab035ddf98633d8eeeed6d4d5f5e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdb36eef7203f4f13534df7cf7fcbde7bab035ddf98633d8eeeed6d4d5f5e09", kill_on_drop: false }`
[INFO] [stdout] 8bdb36eef7203f4f13534df7cf7fcbde7bab035ddf98633d8eeeed6d4d5f5e09