[INFO] fetching crate nonstd 0.1.0...
[INFO] testing nonstd-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate nonstd 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nonstd 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nonstd 0.1.0
[INFO] finished tweaking crates.io crate nonstd 0.1.0
[INFO] tweaked toml for crates.io crate nonstd 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f41bf0b9c97962611d7f54e93555f15595c0f328b9cc35ed9809f38fbc2a5236
[INFO] running `Command { std: "docker" "start" "-a" "f41bf0b9c97962611d7f54e93555f15595c0f328b9cc35ed9809f38fbc2a5236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f41bf0b9c97962611d7f54e93555f15595c0f328b9cc35ed9809f38fbc2a5236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41bf0b9c97962611d7f54e93555f15595c0f328b9cc35ed9809f38fbc2a5236", kill_on_drop: false }`
[INFO] [stdout] f41bf0b9c97962611d7f54e93555f15595c0f328b9cc35ed9809f38fbc2a5236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34264fbff74667c43ab93c0db20dce4955cdbede777fcb5aa2a774c82ec95fae
[INFO] running `Command { std: "docker" "start" "-a" "34264fbff74667c43ab93c0db20dce4955cdbede777fcb5aa2a774c82ec95fae", kill_on_drop: false }`
[INFO] [stderr]    Compiling nonstd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "34264fbff74667c43ab93c0db20dce4955cdbede777fcb5aa2a774c82ec95fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34264fbff74667c43ab93c0db20dce4955cdbede777fcb5aa2a774c82ec95fae", kill_on_drop: false }`
[INFO] [stdout] 34264fbff74667c43ab93c0db20dce4955cdbede777fcb5aa2a774c82ec95fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc70b8a71599ce3e0353dee1f737165a9f37ec3a5e65164c2f3ef6881ec6cf1
[INFO] running `Command { std: "docker" "start" "-a" "5bc70b8a71599ce3e0353dee1f737165a9f37ec3a5e65164c2f3ef6881ec6cf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling nonstd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "5bc70b8a71599ce3e0353dee1f737165a9f37ec3a5e65164c2f3ef6881ec6cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc70b8a71599ce3e0353dee1f737165a9f37ec3a5e65164c2f3ef6881ec6cf1", kill_on_drop: false }`
[INFO] [stdout] 5bc70b8a71599ce3e0353dee1f737165a9f37ec3a5e65164c2f3ef6881ec6cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15994366fca01f7f10984b2f935adf87798bf9bacd35d953033cde6a39d4b172
[INFO] running `Command { std: "docker" "start" "-a" "15994366fca01f7f10984b2f935adf87798bf9bacd35d953033cde6a39d4b172", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nonstd-d016020701d0ddb0)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/string_buffer.rs (/opt/rustwide/target/debug/deps/string_buffer-52731062da83ffcc)
[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 nonstd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test string_buffer_is_a_writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "15994366fca01f7f10984b2f935adf87798bf9bacd35d953033cde6a39d4b172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15994366fca01f7f10984b2f935adf87798bf9bacd35d953033cde6a39d4b172", kill_on_drop: false }`
[INFO] [stdout] 15994366fca01f7f10984b2f935adf87798bf9bacd35d953033cde6a39d4b172