[INFO] fetching crate io-extra 0.3.0...
[INFO] testing io-extra-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate io-extra 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate io-extra 0.3.0
[INFO] finished tweaking crates.io crate io-extra 0.3.0
[INFO] tweaked toml for crates.io crate io-extra 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-extra 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34ca17cb9b2a18d3766f559dc986a32ca3b3d61cbded31abed7a1dbce3e73bb
[INFO] running `Command { std: "docker" "start" "-a" "e34ca17cb9b2a18d3766f559dc986a32ca3b3d61cbded31abed7a1dbce3e73bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34ca17cb9b2a18d3766f559dc986a32ca3b3d61cbded31abed7a1dbce3e73bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34ca17cb9b2a18d3766f559dc986a32ca3b3d61cbded31abed7a1dbce3e73bb", kill_on_drop: false }`
[INFO] [stdout] e34ca17cb9b2a18d3766f559dc986a32ca3b3d61cbded31abed7a1dbce3e73bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 993ffc294ac2a3eaed19dcdfe64f20e9de1c7540aef11ef800cd50bf1bb25dd6
[INFO] running `Command { std: "docker" "start" "-a" "993ffc294ac2a3eaed19dcdfe64f20e9de1c7540aef11ef800cd50bf1bb25dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-extra v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "993ffc294ac2a3eaed19dcdfe64f20e9de1c7540aef11ef800cd50bf1bb25dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993ffc294ac2a3eaed19dcdfe64f20e9de1c7540aef11ef800cd50bf1bb25dd6", kill_on_drop: false }`
[INFO] [stdout] 993ffc294ac2a3eaed19dcdfe64f20e9de1c7540aef11ef800cd50bf1bb25dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f11b1d00be0c7a2a2487b4821d535621e2839ee80180776c75e29d9a36b0cca
[INFO] running `Command { std: "docker" "start" "-a" "0f11b1d00be0c7a2a2487b4821d535621e2839ee80180776c75e29d9a36b0cca", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-extra v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "0f11b1d00be0c7a2a2487b4821d535621e2839ee80180776c75e29d9a36b0cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f11b1d00be0c7a2a2487b4821d535621e2839ee80180776c75e29d9a36b0cca", kill_on_drop: false }`
[INFO] [stdout] 0f11b1d00be0c7a2a2487b4821d535621e2839ee80180776c75e29d9a36b0cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9a0d3a5bb9cb6271aa03436b83f5ba1282f8dc14566279779b6882b48612ae8
[INFO] running `Command { std: "docker" "start" "-a" "e9a0d3a5bb9cb6271aa03436b83f5ba1282f8dc14566279779b6882b48612ae8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_extra-631569ae17028219)
[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 io_extra
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/context.rs - context::with (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - IoErrorExt (line 59) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9a0d3a5bb9cb6271aa03436b83f5ba1282f8dc14566279779b6882b48612ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a0d3a5bb9cb6271aa03436b83f5ba1282f8dc14566279779b6882b48612ae8", kill_on_drop: false }`
[INFO] [stdout] e9a0d3a5bb9cb6271aa03436b83f5ba1282f8dc14566279779b6882b48612ae8