[INFO] fetching crate tokio_print 0.1.0...
[INFO] testing tokio_print-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tokio_print 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tokio_print 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio_print 0.1.0
[INFO] finished tweaking crates.io crate tokio_print 0.1.0
[INFO] tweaked toml for crates.io crate tokio_print 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safety_breaker v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 37754dd3ef2ea569c7c440962cdf46d50622c26e324a211c89fc4ff49c4164b3
[INFO] running `Command { std: "docker" "start" "-a" "37754dd3ef2ea569c7c440962cdf46d50622c26e324a211c89fc4ff49c4164b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37754dd3ef2ea569c7c440962cdf46d50622c26e324a211c89fc4ff49c4164b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37754dd3ef2ea569c7c440962cdf46d50622c26e324a211c89fc4ff49c4164b3", kill_on_drop: false }`
[INFO] [stdout] 37754dd3ef2ea569c7c440962cdf46d50622c26e324a211c89fc4ff49c4164b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d843edebea1ac3ac46c1a9ef270bad2fc2fd44ca6779722865ff42c0cedadc35
[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" "d843edebea1ac3ac46c1a9ef270bad2fc2fd44ca6779722865ff42c0cedadc35", kill_on_drop: false }`
[INFO] [stderr]    Compiling safety_breaker v0.1.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tokio_print v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "d843edebea1ac3ac46c1a9ef270bad2fc2fd44ca6779722865ff42c0cedadc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d843edebea1ac3ac46c1a9ef270bad2fc2fd44ca6779722865ff42c0cedadc35", kill_on_drop: false }`
[INFO] [stdout] d843edebea1ac3ac46c1a9ef270bad2fc2fd44ca6779722865ff42c0cedadc35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21ea2bc379bcad368bf035a4f0e2b666496fca51d5489f5d07eb309e2f73f57
[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" "f21ea2bc379bcad368bf035a4f0e2b666496fca51d5489f5d07eb309e2f73f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio_print v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "f21ea2bc379bcad368bf035a4f0e2b666496fca51d5489f5d07eb309e2f73f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21ea2bc379bcad368bf035a4f0e2b666496fca51d5489f5d07eb309e2f73f57", kill_on_drop: false }`
[INFO] [stdout] f21ea2bc379bcad368bf035a4f0e2b666496fca51d5489f5d07eb309e2f73f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 443787c32125c17bf2cb4f1abef6cfc2216375754b6a1555f3f764c9136db21b
[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" "443787c32125c17bf2cb4f1abef6cfc2216375754b6a1555f3f764c9136db21b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_print-36822da49f97dba5)
[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 tokio_print
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - aprintln (line 14) ... ok
[INFO] [stdout] test src/lib.rs - aeprint (line 74) ... ok
[INFO] [stdout] test src/lib.rs - aeprintln (line 34) ... ok
[INFO] [stdout] test src/lib.rs - aprint (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "443787c32125c17bf2cb4f1abef6cfc2216375754b6a1555f3f764c9136db21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443787c32125c17bf2cb4f1abef6cfc2216375754b6a1555f3f764c9136db21b", kill_on_drop: false }`
[INFO] [stdout] 443787c32125c17bf2cb4f1abef6cfc2216375754b6a1555f3f764c9136db21b