[INFO] fetching crate iofs 0.0.8...
[INFO] checking iofs-0.0.8 against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] extracting crate iofs 0.0.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate iofs 0.0.8 on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iofs 0.0.8
[INFO] finished tweaking crates.io crate iofs 0.0.8
[INFO] tweaked toml for crates.io crate iofs 0.0.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate iofs 0.0.8 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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-util v0.7.8
[INFO] [stderr]   Downloaded headers-core v0.2.0
[INFO] [stderr]   Downloaded headers v0.3.8
[INFO] [stderr]   Downloaded unicase v2.6.0
[INFO] [stderr]   Downloaded h2 v0.3.20
[INFO] [stderr]   Downloaded gimli v0.27.3
[INFO] [stderr]   Downloaded serde_json v1.0.103
[INFO] [stderr]   Downloaded tokio v1.29.1
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded object v0.31.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.32
[INFO] [stderr]   Downloaded pin-project-internal v1.1.2
[INFO] [stderr]   Downloaded pin-project v1.1.2
[INFO] [stderr]   Downloaded base64 v0.21.2
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.3
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded thiserror v1.0.44
[INFO] [stderr]   Downloaded url v2.4.0
[INFO] [stderr]   Downloaded tungstenite v0.18.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.18.0
[INFO] [stderr]   Downloaded backtrace v0.3.68
[INFO] [stderr]   Downloaded pin-project-lite v0.2.10
[INFO] [stderr]   Downloaded warp v0.3.5
[INFO] [stderr]   Downloaded serde v1.0.174
[INFO] [stderr]   Downloaded httpdate v1.0.2
[INFO] [stderr]   Downloaded multer v2.1.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.44
[INFO] [stderr]   Downloaded addr2line v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 861c0f891ff697954b440064bf90cd0e6cc12d8abbe3ea49d69f27acf203f3de
[INFO] running `Command { std: "docker" "start" "-a" "861c0f891ff697954b440064bf90cd0e6cc12d8abbe3ea49d69f27acf203f3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861c0f891ff697954b440064bf90cd0e6cc12d8abbe3ea49d69f27acf203f3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861c0f891ff697954b440064bf90cd0e6cc12d8abbe3ea49d69f27acf203f3de", kill_on_drop: false }`
[INFO] [stdout] 861c0f891ff697954b440064bf90cd0e6cc12d8abbe3ea49d69f27acf203f3de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df3eef9d2cd61bcb127f68baf4c047b7633ae56a2eaf368c9b9c93aa6b869530
[INFO] running `Command { std: "docker" "start" "-a" "df3eef9d2cd61bcb127f68baf4c047b7633ae56a2eaf368c9b9c93aa6b869530", kill_on_drop: false }`
[INFO] [stderr]     Checking iofs v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "df3eef9d2cd61bcb127f68baf4c047b7633ae56a2eaf368c9b9c93aa6b869530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3eef9d2cd61bcb127f68baf4c047b7633ae56a2eaf368c9b9c93aa6b869530", kill_on_drop: false }`
[INFO] [stdout] df3eef9d2cd61bcb127f68baf4c047b7633ae56a2eaf368c9b9c93aa6b869530