[INFO] fetching crate integer-result 1.0.0...
[INFO] testing integer-result-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate integer-result 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate integer-result 1.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate integer-result 1.0.0
[INFO] finished tweaking crates.io crate integer-result 1.0.0
[INFO] tweaked toml for crates.io crate integer-result 1.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac18c3defcc50ec7fe5d87d16d18e46cceed3496158423ccd38fa94804838d0c
[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" "ac18c3defcc50ec7fe5d87d16d18e46cceed3496158423ccd38fa94804838d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac18c3defcc50ec7fe5d87d16d18e46cceed3496158423ccd38fa94804838d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac18c3defcc50ec7fe5d87d16d18e46cceed3496158423ccd38fa94804838d0c", kill_on_drop: false }`
[INFO] [stdout] ac18c3defcc50ec7fe5d87d16d18e46cceed3496158423ccd38fa94804838d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3128fa0e8c0d6d0d97b962e74bee74ce9bba2fc700d4c28f94945ab4ed3d293e
[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" "3128fa0e8c0d6d0d97b962e74bee74ce9bba2fc700d4c28f94945ab4ed3d293e", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-result v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "3128fa0e8c0d6d0d97b962e74bee74ce9bba2fc700d4c28f94945ab4ed3d293e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3128fa0e8c0d6d0d97b962e74bee74ce9bba2fc700d4c28f94945ab4ed3d293e", kill_on_drop: false }`
[INFO] [stdout] 3128fa0e8c0d6d0d97b962e74bee74ce9bba2fc700d4c28f94945ab4ed3d293e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 9f556783bc52dad1ecdb04acbb93f26cef1bc6cc2b7f36fd9bf693a2df93f81a
[INFO] running `Command { std: "docker" "start" "-a" "9f556783bc52dad1ecdb04acbb93f26cef1bc6cc2b7f36fd9bf693a2df93f81a", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-result v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "9f556783bc52dad1ecdb04acbb93f26cef1bc6cc2b7f36fd9bf693a2df93f81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f556783bc52dad1ecdb04acbb93f26cef1bc6cc2b7f36fd9bf693a2df93f81a", kill_on_drop: false }`
[INFO] [stdout] 9f556783bc52dad1ecdb04acbb93f26cef1bc6cc2b7f36fd9bf693a2df93f81a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 404f36b0d97cf11ccc724ff686d0c79194c18201c165939dcbb6205120cfd509
[INFO] running `Command { std: "docker" "start" "-a" "404f36b0d97cf11ccc724ff686d0c79194c18201c165939dcbb6205120cfd509", 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 /opt/rustwide/target/debug/deps/integer_result-9a13b521f6f4c4b8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests integer-result
[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 3 tests
[INFO] [stdout] test src/lib.rs - Ext::ok_equal (line 33) ... ok
[INFO] [stdout] test src/lib.rs - Ext::ok_less (line 14) ... ok
[INFO] [stdout] test src/lib.rs - Ext::ok_greater (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "404f36b0d97cf11ccc724ff686d0c79194c18201c165939dcbb6205120cfd509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404f36b0d97cf11ccc724ff686d0c79194c18201c165939dcbb6205120cfd509", kill_on_drop: false }`
[INFO] [stdout] 404f36b0d97cf11ccc724ff686d0c79194c18201c165939dcbb6205120cfd509