[INFO] fetching crate documents 0.1.2...
[INFO] checking documents-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate documents 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate documents 0.1.2
[INFO] finished tweaking crates.io crate documents 0.1.2
[INFO] tweaked toml for crates.io crate documents 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate documents 0.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--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]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding directories v5.0.1 (available: v6.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1503db30ac31910f640877363eba38fb68c0cd6bb35062310dd0899fb1d434e0
[INFO] running `Command { std: "docker" "start" "-a" "1503db30ac31910f640877363eba38fb68c0cd6bb35062310dd0899fb1d434e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1503db30ac31910f640877363eba38fb68c0cd6bb35062310dd0899fb1d434e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1503db30ac31910f640877363eba38fb68c0cd6bb35062310dd0899fb1d434e0", kill_on_drop: false }`
[INFO] [stdout] 1503db30ac31910f640877363eba38fb68c0cd6bb35062310dd0899fb1d434e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7be7b1bd206f7d3b8b37d58a8b2e70fa039dfc009eef44b69c6778ee57995cd2
[INFO] running `Command { std: "docker" "start" "-a" "7be7b1bd206f7d3b8b37d58a8b2e70fa039dfc009eef44b69c6778ee57995cd2", kill_on_drop: false }`
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]     Checking is-docker v0.2.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking is-wsl v0.4.0
[INFO] [stderr]     Checking open v5.3.2
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]     Checking documents v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "7be7b1bd206f7d3b8b37d58a8b2e70fa039dfc009eef44b69c6778ee57995cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be7b1bd206f7d3b8b37d58a8b2e70fa039dfc009eef44b69c6778ee57995cd2", kill_on_drop: false }`
[INFO] [stdout] 7be7b1bd206f7d3b8b37d58a8b2e70fa039dfc009eef44b69c6778ee57995cd2