[INFO] fetching crate serial_pipe 0.1.0...
[INFO] testing serial_pipe-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate serial_pipe 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serial_pipe 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial_pipe 0.1.0
[INFO] finished tweaking crates.io crate serial_pipe 0.1.0
[INFO] tweaked toml for crates.io crate serial_pipe 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate serial_pipe 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 05c31b49ce826ac419bb942345e7ac1fe4867bec640c38d8dd5baa785cda6115
[INFO] running `Command { std: "docker" "start" "-a" "05c31b49ce826ac419bb942345e7ac1fe4867bec640c38d8dd5baa785cda6115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c31b49ce826ac419bb942345e7ac1fe4867bec640c38d8dd5baa785cda6115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c31b49ce826ac419bb942345e7ac1fe4867bec640c38d8dd5baa785cda6115", kill_on_drop: false }`
[INFO] [stdout] 05c31b49ce826ac419bb942345e7ac1fe4867bec640c38d8dd5baa785cda6115
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 539a05e9f8c25c11de3500c3c85a7c2ccd83929ab409b1eb8b4cdcdb812ec4b1
[INFO] running `Command { std: "docker" "start" "-a" "539a05e9f8c25c11de3500c3c85a7c2ccd83929ab409b1eb8b4cdcdb812ec4b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling serial_pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ebacktrace v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.37s
[INFO] running `Command { std: "docker" "inspect" "539a05e9f8c25c11de3500c3c85a7c2ccd83929ab409b1eb8b4cdcdb812ec4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539a05e9f8c25c11de3500c3c85a7c2ccd83929ab409b1eb8b4cdcdb812ec4b1", kill_on_drop: false }`
[INFO] [stdout] 539a05e9f8c25c11de3500c3c85a7c2ccd83929ab409b1eb8b4cdcdb812ec4b1
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6cdcd95605760ed3617c1367ecbe454e6cb668d67f377b6fba3dcf66527bc8f
[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" "c6cdcd95605760ed3617c1367ecbe454e6cb668d67f377b6fba3dcf66527bc8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/spipe-629304bd5ad8e248)
[INFO] [stderr]   Executable tests/compile.rs (/opt/rustwide/target/debug/deps/compile-d4d9e93e2cfe73ea)
[INFO] running `Command { std: "docker" "inspect" "c6cdcd95605760ed3617c1367ecbe454e6cb668d67f377b6fba3dcf66527bc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6cdcd95605760ed3617c1367ecbe454e6cb668d67f377b6fba3dcf66527bc8f", kill_on_drop: false }`
[INFO] [stdout] c6cdcd95605760ed3617c1367ecbe454e6cb668d67f377b6fba3dcf66527bc8f
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 96d2df1286288e325defa25ac14eb9e0ce33dacf85dd454b93d54443421afe20
[INFO] running `Command { std: "docker" "start" "-a" "96d2df1286288e325defa25ac14eb9e0ce33dacf85dd454b93d54443421afe20", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/spipe-629304bd5ad8e248)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compile.rs (/opt/rustwide/target/debug/deps/compile-d4d9e93e2cfe73ea)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compile ... 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] running `Command { std: "docker" "inspect" "96d2df1286288e325defa25ac14eb9e0ce33dacf85dd454b93d54443421afe20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d2df1286288e325defa25ac14eb9e0ce33dacf85dd454b93d54443421afe20", kill_on_drop: false }`
[INFO] [stdout] 96d2df1286288e325defa25ac14eb9e0ce33dacf85dd454b93d54443421afe20