[INFO] fetching crate cfg-regex 0.1.1...
[INFO] checking cfg-regex-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate cfg-regex 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cfg-regex 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 cfg-regex 0.1.1
[INFO] finished tweaking crates.io crate cfg-regex 0.1.1
[INFO] tweaked toml for crates.io crate cfg-regex 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages
[INFO] [stderr]       Adding bit-matrix v0.2.0 (latest: v0.6.1)
[INFO] [stderr]       Adding bit-vec v0.4.4 (latest: v0.6.3)
[INFO] [stderr]       Adding cfg v0.3.0 (latest: v0.8.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded bit-matrix v0.2.0
[INFO] [stderr]   Downloaded cfg v0.3.0
[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] 7cc2f8936c51c5c312e4f3ec65c030181a3cc58927834a366a043ea1438fa166
[INFO] running `Command { std: "docker" "start" "-a" "7cc2f8936c51c5c312e4f3ec65c030181a3cc58927834a366a043ea1438fa166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cc2f8936c51c5c312e4f3ec65c030181a3cc58927834a366a043ea1438fa166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc2f8936c51c5c312e4f3ec65c030181a3cc58927834a366a043ea1438fa166", kill_on_drop: false }`
[INFO] [stdout] 7cc2f8936c51c5c312e4f3ec65c030181a3cc58927834a366a043ea1438fa166
[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] 5f82c68b6e7210f53f66f2d4d7db1f5966dc6a343a2681b405b4bf153282029c
[INFO] running `Command { std: "docker" "start" "-a" "5f82c68b6e7210f53f66f2d4d7db1f5966dc6a343a2681b405b4bf153282029c", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bit-matrix v0.2.0
[INFO] [stderr]     Checking cfg v0.3.0
[INFO] [stderr]     Checking cfg-regex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "5f82c68b6e7210f53f66f2d4d7db1f5966dc6a343a2681b405b4bf153282029c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f82c68b6e7210f53f66f2d4d7db1f5966dc6a343a2681b405b4bf153282029c", kill_on_drop: false }`
[INFO] [stdout] 5f82c68b6e7210f53f66f2d4d7db1f5966dc6a343a2681b405b4bf153282029c
[INFO] checking cfg-regex-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate cfg-regex 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cfg-regex 0.1.1 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 cfg-regex 0.1.1
[INFO] finished tweaking crates.io crate cfg-regex 0.1.1
[INFO] tweaked toml for crates.io crate cfg-regex 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages
[INFO] [stderr]       Adding bit-matrix v0.2.0 (latest: v0.6.1)
[INFO] [stderr]       Adding bit-vec v0.4.4 (latest: v0.6.3)
[INFO] [stderr]       Adding cfg v0.3.0 (latest: v0.8.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cff60ddd4555eef4a6c435ec48b67fb9222dc60c60c01643dd645ba9f261a5a
[INFO] running `Command { std: "docker" "start" "-a" "2cff60ddd4555eef4a6c435ec48b67fb9222dc60c60c01643dd645ba9f261a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cff60ddd4555eef4a6c435ec48b67fb9222dc60c60c01643dd645ba9f261a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cff60ddd4555eef4a6c435ec48b67fb9222dc60c60c01643dd645ba9f261a5a", kill_on_drop: false }`
[INFO] [stdout] 2cff60ddd4555eef4a6c435ec48b67fb9222dc60c60c01643dd645ba9f261a5a
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebd8659e1824e99303878e9f4f6d36e3b755d897b20153b1c0071f13d139c7c3
[INFO] running `Command { std: "docker" "start" "-a" "ebd8659e1824e99303878e9f4f6d36e3b755d897b20153b1c0071f13d139c7c3", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bit-matrix v0.2.0
[INFO] [stderr]     Checking cfg v0.3.0
[INFO] [stderr]     Checking cfg-regex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "ebd8659e1824e99303878e9f4f6d36e3b755d897b20153b1c0071f13d139c7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd8659e1824e99303878e9f4f6d36e3b755d897b20153b1c0071f13d139c7c3", kill_on_drop: false }`
[INFO] [stdout] ebd8659e1824e99303878e9f4f6d36e3b755d897b20153b1c0071f13d139c7c3