[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#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiotrGog%2Fsimple-webserver" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PiotrGog/simple-webserver on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e64622c15e2ee963845b87afac3b65ebaab7b45abe5a60b839806233e730b67
[INFO] running `Command { std: "docker" "start" "-a" "4e64622c15e2ee963845b87afac3b65ebaab7b45abe5a60b839806233e730b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e64622c15e2ee963845b87afac3b65ebaab7b45abe5a60b839806233e730b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e64622c15e2ee963845b87afac3b65ebaab7b45abe5a60b839806233e730b67", kill_on_drop: false }`
[INFO] [stdout] 4e64622c15e2ee963845b87afac3b65ebaab7b45abe5a60b839806233e730b67
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e56dfa5edc02c6ec7916a7572f295ccd5f3b4143c2f27881760c276df3877aeb
[INFO] running `Command { std: "docker" "start" "-a" "e56dfa5edc02c6ec7916a7572f295ccd5f3b4143c2f27881760c276df3877aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi-threaded-server v0.1.0 (/opt/rustwide/workdir/multi-threaded-server)
[INFO] [stderr]    Compiling single-threaded-server v0.1.0 (/opt/rustwide/workdir/single-threaded-server)
[INFO] [stderr]    Compiling main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "e56dfa5edc02c6ec7916a7572f295ccd5f3b4143c2f27881760c276df3877aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56dfa5edc02c6ec7916a7572f295ccd5f3b4143c2f27881760c276df3877aeb", kill_on_drop: false }`
[INFO] [stdout] e56dfa5edc02c6ec7916a7572f295ccd5f3b4143c2f27881760c276df3877aeb
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10b3d0456aa6e74d1a068ada8d28ba55181eb26716e02ecb16f590eb1e26c956
[INFO] running `Command { std: "docker" "start" "-a" "10b3d0456aa6e74d1a068ada8d28ba55181eb26716e02ecb16f590eb1e26c956", 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 test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "10b3d0456aa6e74d1a068ada8d28ba55181eb26716e02ecb16f590eb1e26c956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b3d0456aa6e74d1a068ada8d28ba55181eb26716e02ecb16f590eb1e26c956", kill_on_drop: false }`
[INFO] [stdout] 10b3d0456aa6e74d1a068ada8d28ba55181eb26716e02ecb16f590eb1e26c956
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08acae1408b76ea11fd2c05a663b2df936509ca1fa4dcab8f4beef0f2f8e9f50
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08acae1408b76ea11fd2c05a663b2df936509ca1fa4dcab8f4beef0f2f8e9f50", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-f85b072838eb7ecd)
[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]      Running unittests (/opt/rustwide/target/debug/deps/multi_threaded_server-7478f09130171f9f)
[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]      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] [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'
[INFO] running `Command { std: "docker" "inspect" "08acae1408b76ea11fd2c05a663b2df936509ca1fa4dcab8f4beef0f2f8e9f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08acae1408b76ea11fd2c05a663b2df936509ca1fa4dcab8f4beef0f2f8e9f50", kill_on_drop: false }`
[INFO] [stdout] 08acae1408b76ea11fd2c05a663b2df936509ca1fa4dcab8f4beef0f2f8e9f50