[INFO] fetching crate stdio2 0.1.0...
[INFO] testing stdio2-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate stdio2 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate stdio2 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stdio2 0.1.0
[INFO] finished tweaking crates.io crate stdio2 0.1.0
[INFO] tweaked toml for crates.io crate stdio2 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bdbf663c1980e6c9fece8319b54e2f72786987efdb1eebc614f1c94ca7f6f34
[INFO] running `Command { std: "docker" "start" "-a" "2bdbf663c1980e6c9fece8319b54e2f72786987efdb1eebc614f1c94ca7f6f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bdbf663c1980e6c9fece8319b54e2f72786987efdb1eebc614f1c94ca7f6f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdbf663c1980e6c9fece8319b54e2f72786987efdb1eebc614f1c94ca7f6f34", kill_on_drop: false }`
[INFO] [stdout] 2bdbf663c1980e6c9fece8319b54e2f72786987efdb1eebc614f1c94ca7f6f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 094be4595343cde8e1c5806e570435d8c74b74c56abbea38af188d0b4257de31
[INFO] running `Command { std: "docker" "start" "-a" "094be4595343cde8e1c5806e570435d8c74b74c56abbea38af188d0b4257de31", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdio2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "094be4595343cde8e1c5806e570435d8c74b74c56abbea38af188d0b4257de31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094be4595343cde8e1c5806e570435d8c74b74c56abbea38af188d0b4257de31", kill_on_drop: false }`
[INFO] [stdout] 094be4595343cde8e1c5806e570435d8c74b74c56abbea38af188d0b4257de31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f40a45883f63070a3b19794f87d38e8ecbff965bc9d4abd6236b0656e3c17c
[INFO] running `Command { std: "docker" "start" "-a" "47f40a45883f63070a3b19794f87d38e8ecbff965bc9d4abd6236b0656e3c17c", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdio2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "47f40a45883f63070a3b19794f87d38e8ecbff965bc9d4abd6236b0656e3c17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f40a45883f63070a3b19794f87d38e8ecbff965bc9d4abd6236b0656e3c17c", kill_on_drop: false }`
[INFO] [stdout] 47f40a45883f63070a3b19794f87d38e8ecbff965bc9d4abd6236b0656e3c17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39a0084a3c244509557f8cb8132becc5b99449dd136556d088d0ad49566e9078
[INFO] running `Command { std: "docker" "start" "-a" "39a0084a3c244509557f8cb8132becc5b99449dd136556d088d0ad49566e9078", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stdio2-4876d265abb9bec7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stdio2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39a0084a3c244509557f8cb8132becc5b99449dd136556d088d0ad49566e9078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a0084a3c244509557f8cb8132becc5b99449dd136556d088d0ad49566e9078", kill_on_drop: false }`
[INFO] [stdout] 39a0084a3c244509557f8cb8132becc5b99449dd136556d088d0ad49566e9078