[INFO] fetching crate cfg-sequence 0.0.1...
[INFO] checking cfg-sequence-0.0.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate cfg-sequence 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cfg-sequence 0.0.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfg-sequence 0.0.1
[INFO] finished tweaking crates.io crate cfg-sequence 0.0.1
[INFO] tweaked toml for crates.io crate cfg-sequence 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.7.0 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-symbol v0.0.1
[INFO] [stderr]   Downloaded cfg-grammar v0.0.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef7bafafa0460b7ac496b227f7b37cd5947efbde698c7ee6acd012ce2cbc193a
[INFO] running `Command { std: "docker" "start" "-a" "ef7bafafa0460b7ac496b227f7b37cd5947efbde698c7ee6acd012ce2cbc193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef7bafafa0460b7ac496b227f7b37cd5947efbde698c7ee6acd012ce2cbc193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7bafafa0460b7ac496b227f7b37cd5947efbde698c7ee6acd012ce2cbc193a", kill_on_drop: false }`
[INFO] [stdout] ef7bafafa0460b7ac496b227f7b37cd5947efbde698c7ee6acd012ce2cbc193a
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f922373c1f04285983b00d8babff571cd440a9831d84d6e449e6e08ab948d914
[INFO] running `Command { std: "docker" "start" "-a" "f922373c1f04285983b00d8babff571cd440a9831d84d6e449e6e08ab948d914", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.7.0
[INFO] [stderr]     Checking cfg-symbol v0.0.1
[INFO] [stderr]     Checking cfg-grammar v0.0.1
[INFO] [stderr]     Checking cfg-sequence v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "f922373c1f04285983b00d8babff571cd440a9831d84d6e449e6e08ab948d914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f922373c1f04285983b00d8babff571cd440a9831d84d6e449e6e08ab948d914", kill_on_drop: false }`
[INFO] [stdout] f922373c1f04285983b00d8babff571cd440a9831d84d6e449e6e08ab948d914