[INFO] fetching crate count-write 0.1.0...
[INFO] testing count-write-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate count-write 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate count-write 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate count-write 0.1.0
[INFO] finished tweaking crates.io crate count-write 0.1.0
[INFO] tweaked toml for crates.io crate count-write 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f5cea641651d1ae96d0814dc80f4cbc7e365aab7a62d9d2c9525d831c09440f
[INFO] running `Command { std: "docker" "start" "-a" "8f5cea641651d1ae96d0814dc80f4cbc7e365aab7a62d9d2c9525d831c09440f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f5cea641651d1ae96d0814dc80f4cbc7e365aab7a62d9d2c9525d831c09440f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5cea641651d1ae96d0814dc80f4cbc7e365aab7a62d9d2c9525d831c09440f", kill_on_drop: false }`
[INFO] [stdout] 8f5cea641651d1ae96d0814dc80f4cbc7e365aab7a62d9d2c9525d831c09440f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 938c205eb55f9f03d68cd8e2718d51d05908136d5834acd03170cd1e353eb9ab
[INFO] running `Command { std: "docker" "start" "-a" "938c205eb55f9f03d68cd8e2718d51d05908136d5834acd03170cd1e353eb9ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling count-write v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "938c205eb55f9f03d68cd8e2718d51d05908136d5834acd03170cd1e353eb9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938c205eb55f9f03d68cd8e2718d51d05908136d5834acd03170cd1e353eb9ab", kill_on_drop: false }`
[INFO] [stdout] 938c205eb55f9f03d68cd8e2718d51d05908136d5834acd03170cd1e353eb9ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4863cfe9299befeae5a7e9baf030d98e97ef63463208e53d98e929e0a771f10
[INFO] running `Command { std: "docker" "start" "-a" "d4863cfe9299befeae5a7e9baf030d98e97ef63463208e53d98e929e0a771f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling count-write v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d4863cfe9299befeae5a7e9baf030d98e97ef63463208e53d98e929e0a771f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4863cfe9299befeae5a7e9baf030d98e97ef63463208e53d98e929e0a771f10", kill_on_drop: false }`
[INFO] [stdout] d4863cfe9299befeae5a7e9baf030d98e97ef63463208e53d98e929e0a771f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85e98a45d3e4fa44a34273adbea45cbd2b2a7cd2658992c6b86be73bc788f527
[INFO] running `Command { std: "docker" "start" "-a" "85e98a45d3e4fa44a34273adbea45cbd2b2a7cd2658992c6b86be73bc788f527", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/count_write-514ba59dfbb11858)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests count-write
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - CountWrite (line 41) ... ok
[INFO] [stdout] test src/lib.rs - CountWrite (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85e98a45d3e4fa44a34273adbea45cbd2b2a7cd2658992c6b86be73bc788f527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e98a45d3e4fa44a34273adbea45cbd2b2a7cd2658992c6b86be73bc788f527", kill_on_drop: false }`
[INFO] [stdout] 85e98a45d3e4fa44a34273adbea45cbd2b2a7cd2658992c6b86be73bc788f527