[INFO] cloning repository https://github.com/PiotrGog/simple-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PiotrGog/simple-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiotrGog%2Fsimple-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiotrGog%2Fsimple-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b399022b4c3960da1073938ad92bdd38833d678f
[INFO] testing PiotrGog/simple-webserver against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiotrGog%2Fsimple-webserver" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PiotrGog/simple-webserver on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PiotrGog/simple-webserver
[INFO] finished tweaking git repo https://github.com/PiotrGog/simple-webserver
[INFO] tweaked toml for git repo https://github.com/PiotrGog/simple-webserver written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/PiotrGog/simple-webserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85fe8af929a2066a8388af6f26fc76144a4ede2d0b51014bc27fccd7b6fe6caf
[INFO] running `Command { std: "docker" "start" "-a" "85fe8af929a2066a8388af6f26fc76144a4ede2d0b51014bc27fccd7b6fe6caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85fe8af929a2066a8388af6f26fc76144a4ede2d0b51014bc27fccd7b6fe6caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fe8af929a2066a8388af6f26fc76144a4ede2d0b51014bc27fccd7b6fe6caf", kill_on_drop: false }`
[INFO] [stdout] 85fe8af929a2066a8388af6f26fc76144a4ede2d0b51014bc27fccd7b6fe6caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd759bb3eabfbb78d67a20a9ad890aacd17ed37f00cec95f5e66524e37ac2ea7
[INFO] running `Command { std: "docker" "start" "-a" "fd759bb3eabfbb78d67a20a9ad890aacd17ed37f00cec95f5e66524e37ac2ea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling single-threaded-server v0.1.0 (/opt/rustwide/workdir/single-threaded-server)
[INFO] [stderr]    Compiling multi-threaded-server v0.1.0 (/opt/rustwide/workdir/multi-threaded-server)
[INFO] [stderr]    Compiling main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "fd759bb3eabfbb78d67a20a9ad890aacd17ed37f00cec95f5e66524e37ac2ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd759bb3eabfbb78d67a20a9ad890aacd17ed37f00cec95f5e66524e37ac2ea7", kill_on_drop: false }`
[INFO] [stdout] fd759bb3eabfbb78d67a20a9ad890aacd17ed37f00cec95f5e66524e37ac2ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a49118c0cd7c0000b3f453acabbdad16651cfd01fae370a1489ef5607a500c89
[INFO] running `Command { std: "docker" "start" "-a" "a49118c0cd7c0000b3f453acabbdad16651cfd01fae370a1489ef5607a500c89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling single-threaded-server v0.1.0 (/opt/rustwide/workdir/single-threaded-server)
[INFO] [stderr]    Compiling multi-threaded-server v0.1.0 (/opt/rustwide/workdir/multi-threaded-server)
[INFO] [stderr]    Compiling main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "a49118c0cd7c0000b3f453acabbdad16651cfd01fae370a1489ef5607a500c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49118c0cd7c0000b3f453acabbdad16651cfd01fae370a1489ef5607a500c89", kill_on_drop: false }`
[INFO] [stdout] a49118c0cd7c0000b3f453acabbdad16651cfd01fae370a1489ef5607a500c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0837f370430f670c4b82fb24a6a45b9fa1d0243feaebc66e487e692c6701fc4
[INFO] running `Command { std: "docker" "start" "-a" "b0837f370430f670c4b82fb24a6a45b9fa1d0243feaebc66e487e692c6701fc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-f85b072838eb7ecd)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multi_threaded_server-7478f09130171f9f)
[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]      Running unittests (/opt/rustwide/target/debug/deps/single_threaded_server-a38324fa842aa005)
[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 multi-threaded-server
[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] error[E0659]: `multi_threaded_server` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/multi-threaded-server/src/lib.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use multi_threaded_server::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `multi_threaded_server` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::multi_threaded_server` to refer to this crate unambiguously
[INFO] [stderr] note: `multi_threaded_server` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/multi-threaded-server/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod multi_threaded_server;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::multi_threaded_server` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b0837f370430f670c4b82fb24a6a45b9fa1d0243feaebc66e487e692c6701fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0837f370430f670c4b82fb24a6a45b9fa1d0243feaebc66e487e692c6701fc4", kill_on_drop: false }`
[INFO] [stdout] b0837f370430f670c4b82fb24a6a45b9fa1d0243feaebc66e487e692c6701fc4