[INFO] fetching crate embassy-sync 0.4.0...
[INFO] checking embassy-sync-0.4.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate embassy-sync 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate embassy-sync 0.4.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embassy-sync 0.4.0
[INFO] finished tweaking crates.io crate embassy-sync 0.4.0
[INFO] tweaked toml for crates.io crate embassy-sync 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.3
[INFO] [stderr]   Downloaded futures-test v0.3.30
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded defmt-parser v0.3.4
[INFO] [stderr]   Downloaded defmt-macros v0.3.7
[INFO] [stderr]   Downloaded defmt v0.3.6
[INFO] [stderr]   Downloaded embedded-io v0.6.1
[INFO] [stderr]   Downloaded embedded-io-async v0.6.1
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded critical-section v1.1.2
[INFO] [stderr]   Downloaded static_cell v1.3.0
[INFO] [stderr]   Downloaded portable-atomic v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce0424543360b0b816fe2dc5fee63a9d25a8a15b442e392feb886b60e3a9b20
[INFO] running `Command { std: "docker" "start" "-a" "7ce0424543360b0b816fe2dc5fee63a9d25a8a15b442e392feb886b60e3a9b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce0424543360b0b816fe2dc5fee63a9d25a8a15b442e392feb886b60e3a9b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce0424543360b0b816fe2dc5fee63a9d25a8a15b442e392feb886b60e3a9b20", kill_on_drop: false }`
[INFO] [stdout] 7ce0424543360b0b816fe2dc5fee63a9d25a8a15b442e392feb886b60e3a9b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a0c4f2a99e5b71ca9fed4af38c1e15c683679e8b12d5c8e4e8c5c75b54ef82
[INFO] running `Command { std: "docker" "start" "-a" "71a0c4f2a99e5b71ca9fed4af38c1e15c683679e8b12d5c8e4e8c5c75b54ef82", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling embassy-sync v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking lock_api v0.4.11
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking static_cell v1.3.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures-test v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "71a0c4f2a99e5b71ca9fed4af38c1e15c683679e8b12d5c8e4e8c5c75b54ef82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a0c4f2a99e5b71ca9fed4af38c1e15c683679e8b12d5c8e4e8c5c75b54ef82", kill_on_drop: false }`
[INFO] [stdout] 71a0c4f2a99e5b71ca9fed4af38c1e15c683679e8b12d5c8e4e8c5c75b54ef82