[INFO] fetching crate breadcrumb_channel 0.1.0...
[INFO] checking breadcrumb_channel-0.1.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate breadcrumb_channel 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate breadcrumb_channel 0.1.0
[INFO] finished tweaking crates.io crate breadcrumb_channel 0.1.0
[INFO] tweaked toml for crates.io crate breadcrumb_channel 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate breadcrumb_channel 0.1.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding arc_slice_pool v0.1.1 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3f0475b74532ae04a18535647f1b65dddece44e588f9953237061bb78c9f3b2
[INFO] running `Command { std: "docker" "start" "-a" "d3f0475b74532ae04a18535647f1b65dddece44e588f9953237061bb78c9f3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3f0475b74532ae04a18535647f1b65dddece44e588f9953237061bb78c9f3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f0475b74532ae04a18535647f1b65dddece44e588f9953237061bb78c9f3b2", kill_on_drop: false }`
[INFO] [stdout] d3f0475b74532ae04a18535647f1b65dddece44e588f9953237061bb78c9f3b2
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e51e1db600c071a5471c22027f65d374a35897f846858e17e49c6f0ccfb1c6a
[INFO] running `Command { std: "docker" "start" "-a" "2e51e1db600c071a5471c22027f65d374a35897f846858e17e49c6f0ccfb1c6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking consume_on_drop v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking stable_queue v0.1.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking arc_queue_pool v0.1.0
[INFO] [stderr]     Checking arc_slice_pool v0.1.1
[INFO] [stderr]     Checking breadcrumb_channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "2e51e1db600c071a5471c22027f65d374a35897f846858e17e49c6f0ccfb1c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e51e1db600c071a5471c22027f65d374a35897f846858e17e49c6f0ccfb1c6a", kill_on_drop: false }`
[INFO] [stdout] 2e51e1db600c071a5471c22027f65d374a35897f846858e17e49c6f0ccfb1c6a
