[INFO] crate error-iter 0.2.0 is already in cache
[INFO] testing error-iter-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate error-iter 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate error-iter 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate error-iter 0.2.0
[INFO] finished tweaking crates.io crate error-iter 0.2.0
[INFO] tweaked toml for crates.io crate error-iter 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate error-iter 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f40ed43d4936c42d853a83a14f494200d81f44510dbc627cee83539ccce9b3f5
[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" "f40ed43d4936c42d853a83a14f494200d81f44510dbc627cee83539ccce9b3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40ed43d4936c42d853a83a14f494200d81f44510dbc627cee83539ccce9b3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40ed43d4936c42d853a83a14f494200d81f44510dbc627cee83539ccce9b3f5", kill_on_drop: false }`
[INFO] [stdout] f40ed43d4936c42d853a83a14f494200d81f44510dbc627cee83539ccce9b3f5
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d1fe24dcb0c090549e7e6e55d0e79e3c96c54bf988b26f6e0fcae34f0ed9a3f
[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" "0d1fe24dcb0c090549e7e6e55d0e79e3c96c54bf988b26f6e0fcae34f0ed9a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "0d1fe24dcb0c090549e7e6e55d0e79e3c96c54bf988b26f6e0fcae34f0ed9a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1fe24dcb0c090549e7e6e55d0e79e3c96c54bf988b26f6e0fcae34f0ed9a3f", kill_on_drop: false }`
[INFO] [stdout] 0d1fe24dcb0c090549e7e6e55d0e79e3c96c54bf988b26f6e0fcae34f0ed9a3f
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ac3ce29ce510c4363f57c324c18fadc067f23e1235b38fdb7febbf43ae19f6d
[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" "0ac3ce29ce510c4363f57c324c18fadc067f23e1235b38fdb7febbf43ae19f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.4
[INFO] [stderr]    Compiling error-iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `Command { std: "docker" "inspect" "0ac3ce29ce510c4363f57c324c18fadc067f23e1235b38fdb7febbf43ae19f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac3ce29ce510c4363f57c324c18fadc067f23e1235b38fdb7febbf43ae19f6d", kill_on_drop: false }`
[INFO] [stdout] 0ac3ce29ce510c4363f57c324c18fadc067f23e1235b38fdb7febbf43ae19f6d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 5d1ae3c3a79ea6a3a4442a30230585b74b3e5caff6f574709f0267f00eb36a33
[INFO] running `Command { std: "docker" "start" "-a" "5d1ae3c3a79ea6a3a4442a30230585b74b3e5caff6f574709f0267f00eb36a33", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/error_iter-1c88c683efdd1e73
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error-iter
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::iter_chain_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/lib.rs - ErrorIter::chain (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d1ae3c3a79ea6a3a4442a30230585b74b3e5caff6f574709f0267f00eb36a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1ae3c3a79ea6a3a4442a30230585b74b3e5caff6f574709f0267f00eb36a33", kill_on_drop: false }`
[INFO] [stdout] 5d1ae3c3a79ea6a3a4442a30230585b74b3e5caff6f574709f0267f00eb36a33