[INFO] fetching crate x-alloc 0.0.0...
[INFO] checking x-alloc-0.0.0 against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912
[INFO] extracting crate x-alloc 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate x-alloc 0.0.0
[INFO] finished tweaking crates.io crate x-alloc 0.0.0
[INFO] tweaked toml for crates.io crate x-alloc 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate x-alloc 0.0.0 on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate x-alloc 0.0.0 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b85aae700ef2c520970e1662a96d5d4fa175b9196e80578f611fe11c19430f
[INFO] running `Command { std: "docker" "start" "-a" "28b85aae700ef2c520970e1662a96d5d4fa175b9196e80578f611fe11c19430f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b85aae700ef2c520970e1662a96d5d4fa175b9196e80578f611fe11c19430f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b85aae700ef2c520970e1662a96d5d4fa175b9196e80578f611fe11c19430f", kill_on_drop: false }`
[INFO] [stdout] 28b85aae700ef2c520970e1662a96d5d4fa175b9196e80578f611fe11c19430f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6496a8e12bb39c9b87c44348e9d2605580995c636dab36ccc3e15b96bef3a213
[INFO] running `Command { std: "docker" "start" "-a" "6496a8e12bb39c9b87c44348e9d2605580995c636dab36ccc3e15b96bef3a213", kill_on_drop: false }`
[INFO] [stderr]     Checking x-alloc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "6496a8e12bb39c9b87c44348e9d2605580995c636dab36ccc3e15b96bef3a213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6496a8e12bb39c9b87c44348e9d2605580995c636dab36ccc3e15b96bef3a213", kill_on_drop: false }`
[INFO] [stdout] 6496a8e12bb39c9b87c44348e9d2605580995c636dab36ccc3e15b96bef3a213