[INFO] fetching crate wasmer-wasi-experimental-io-devices 2.0.0...
[INFO] checking wasmer-wasi-experimental-io-devices-2.0.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate wasmer-wasi-experimental-io-devices 2.0.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate wasmer-wasi-experimental-io-devices 2.0.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-wasi-experimental-io-devices 2.0.0
[INFO] finished tweaking crates.io crate wasmer-wasi-experimental-io-devices 2.0.0
[INFO] tweaked toml for crates.io crate wasmer-wasi-experimental-io-devices 2.0.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref_thread_local v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ebb78e636607e5e0c6cd8c7519493319db51caf96820b58129d6d263a2f84e1
[INFO] running `Command { std: "docker" "start" "-a" "6ebb78e636607e5e0c6cd8c7519493319db51caf96820b58129d6d263a2f84e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ebb78e636607e5e0c6cd8c7519493319db51caf96820b58129d6d263a2f84e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ebb78e636607e5e0c6cd8c7519493319db51caf96820b58129d6d263a2f84e1", kill_on_drop: false }`
[INFO] [stdout] 6ebb78e636607e5e0c6cd8c7519493319db51caf96820b58129d6d263a2f84e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 283397a42482811b67c1aed26562ea0b8b876360090a36a6b8c5c3172dcabdd3
[INFO] running `Command { std: "docker" "start" "-a" "283397a42482811b67c1aed26562ea0b8b876360090a36a6b8c5c3172dcabdd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
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[INFO] [stderr]     Checking wasmer-wasi-types v2.0.0
[INFO] [stderr]     Checking wasmer-compiler v2.0.0
[INFO] [stderr]     Checking wasmer-engine v2.0.0
[INFO] [stderr]     Checking wasmer v2.0.0
[INFO] [stderr]     Checking wasmer-wasi v2.0.0
[INFO] [stderr]     Checking wasmer-wasi-experimental-io-devices v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "283397a42482811b67c1aed26562ea0b8b876360090a36a6b8c5c3172dcabdd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283397a42482811b67c1aed26562ea0b8b876360090a36a6b8c5c3172dcabdd3", kill_on_drop: false }`
[INFO] [stdout] 283397a42482811b67c1aed26562ea0b8b876360090a36a6b8c5c3172dcabdd3