[INFO] fetching crate arc-string-interner 0.3.0-alpha2...
[INFO] checking arc-string-interner-0.3.0-alpha2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate arc-string-interner 0.3.0-alpha2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate arc-string-interner 0.3.0-alpha2
[INFO] finished tweaking crates.io crate arc-string-interner 0.3.0-alpha2
[INFO] tweaked toml for crates.io crate arc-string-interner 0.3.0-alpha2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arc-string-interner 0.3.0-alpha2 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]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.4)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b54d14a96b928d49320a3f7e034fc0b711bcf4e758a09460c901739bf6ebe48a
[INFO] running `Command { std: "docker" "start" "-a" "b54d14a96b928d49320a3f7e034fc0b711bcf4e758a09460c901739bf6ebe48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54d14a96b928d49320a3f7e034fc0b711bcf4e758a09460c901739bf6ebe48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54d14a96b928d49320a3f7e034fc0b711bcf4e758a09460c901739bf6ebe48a", kill_on_drop: false }`
[INFO] [stdout] b54d14a96b928d49320a3f7e034fc0b711bcf4e758a09460c901739bf6ebe48a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e0022be1b9057e88ba8a1328a35c52bc35daaf70b9479d64e7316ecc4a2c612a
[INFO] running `Command { std: "docker" "start" "-a" "e0022be1b9057e88ba8a1328a35c52bc35daaf70b9479d64e7316ecc4a2c612a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking init_with v1.1.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking arc-string-interner v0.3.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "e0022be1b9057e88ba8a1328a35c52bc35daaf70b9479d64e7316ecc4a2c612a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0022be1b9057e88ba8a1328a35c52bc35daaf70b9479d64e7316ecc4a2c612a", kill_on_drop: false }`
[INFO] [stdout] e0022be1b9057e88ba8a1328a35c52bc35daaf70b9479d64e7316ecc4a2c612a