[INFO] fetching crate io-arrays 0.3.0...
[INFO] checking io-arrays-0.3.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate io-arrays 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate io-arrays 0.3.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-arrays 0.3.0
[INFO] finished tweaking crates.io crate io-arrays 0.3.0
[INFO] tweaked toml for crates.io crate io-arrays 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20407a8eced92f27ad0d9f5496cb6017c58b979e504073e6a5a2ed6c7c62e45c
[INFO] running `Command { std: "docker" "start" "-a" "20407a8eced92f27ad0d9f5496cb6017c58b979e504073e6a5a2ed6c7c62e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20407a8eced92f27ad0d9f5496cb6017c58b979e504073e6a5a2ed6c7c62e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20407a8eced92f27ad0d9f5496cb6017c58b979e504073e6a5a2ed6c7c62e45c", kill_on_drop: false }`
[INFO] [stdout] 20407a8eced92f27ad0d9f5496cb6017c58b979e504073e6a5a2ed6c7c62e45c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db2232b4536ee38fba11f6ad7bc8ff1728b879d3c6ff3446b0e91d7b3562cea8
[INFO] running `Command { std: "docker" "start" "-a" "db2232b4536ee38fba11f6ad7bc8ff1728b879d3c6ff3446b0e91d7b3562cea8", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking duplex v0.3.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling io-lifetimes v0.1.1
[INFO] [stderr]    Compiling system-interface v0.6.6
[INFO] [stderr]    Compiling unsafe-io v0.6.12
[INFO] [stderr]    Compiling cap-primitives v0.13.10
[INFO] [stderr]    Compiling cap-std v0.13.10
[INFO] [stderr]    Compiling cap-fs-ext v0.13.10
[INFO] [stderr]    Compiling io-streams v0.3.1
[INFO] [stderr]    Compiling io-arrays v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking posish v0.6.3
[INFO] [stderr]     Checking fs-set-times v0.3.1
[INFO] [stderr]     Checking cap-tempfile v0.13.10
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "db2232b4536ee38fba11f6ad7bc8ff1728b879d3c6ff3446b0e91d7b3562cea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2232b4536ee38fba11f6ad7bc8ff1728b879d3c6ff3446b0e91d7b3562cea8", kill_on_drop: false }`
[INFO] [stdout] db2232b4536ee38fba11f6ad7bc8ff1728b879d3c6ff3446b0e91d7b3562cea8