[INFO] fetching crate concat-with 0.2.0...
[INFO] testing concat-with-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate concat-with 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate concat-with 0.2.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate concat-with 0.2.0
[INFO] finished tweaking crates.io crate concat-with 0.2.0
[INFO] tweaked toml for crates.io crate concat-with 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e5b7de59d87299b7b0b96f74dddcd3c028b170e8a0bd085c9df51e14c2e82ee
[INFO] running `"docker" "start" "-a" "3e5b7de59d87299b7b0b96f74dddcd3c028b170e8a0bd085c9df51e14c2e82ee"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling concat-with v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "3e5b7de59d87299b7b0b96f74dddcd3c028b170e8a0bd085c9df51e14c2e82ee"`
[INFO] running `"docker" "rm" "-f" "3e5b7de59d87299b7b0b96f74dddcd3c028b170e8a0bd085c9df51e14c2e82ee"`
[INFO] [stdout] 3e5b7de59d87299b7b0b96f74dddcd3c028b170e8a0bd085c9df51e14c2e82ee
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1582ac1195ca2b2d6288556f844efb3a034553b5d9b4f9a4e57e7767ce17428f
[INFO] running `"docker" "start" "-a" "1582ac1195ca2b2d6288556f844efb3a034553b5d9b4f9a4e57e7767ce17428f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling concat-with v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "1582ac1195ca2b2d6288556f844efb3a034553b5d9b4f9a4e57e7767ce17428f"`
[INFO] running `"docker" "rm" "-f" "1582ac1195ca2b2d6288556f844efb3a034553b5d9b4f9a4e57e7767ce17428f"`
[INFO] [stdout] 1582ac1195ca2b2d6288556f844efb3a034553b5d9b4f9a4e57e7767ce17428f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cf9529a9df109345c9e6567046b8706237461ff7ec8f5ce91f36ea91ef6aae4
[INFO] running `"docker" "start" "-a" "1cf9529a9df109345c9e6567046b8706237461ff7ec8f5ce91f36ea91ef6aae4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concat_with-754cce9603ef80ed
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macros-334782ef153eec5c
[INFO] [stdout] test concat ... ok
[INFO] [stdout] test concat_line ... ok
[INFO] [stdout] test concat_line_prefix ... ok
[INFO] [stdout] test concat_line_prefix_suffix ... ok
[INFO] [stdout] test concat_prefix_suffix ... ok
[INFO] [stdout] test concat_line_suffix_prefix ... ok
[INFO] [stdout] test concat_prefix ... ok
[INFO] [stdout] test concat_prefix_suffix_with ... ok
[INFO] [stdout] test concat_suffix ... ok
[INFO] [stdout] test concat_prefix_with_suffix ... ok
[INFO] [stdout] test concat_prefix_with ... ok
[INFO] [stdout] test concat_suffix_with ... ok
[INFO] [stdout] test concat_suffix_prefix_with ... ok
[INFO] [stdout] test concat_suffix_prefix ... ok
[INFO] [stdout] test concat_suffix_with_prefix ... ok
[INFO] [stdout] test concat_with ... ok
[INFO] [stdout] test concat_with_prefix ... ok
[INFO] [stdout] test concat_with_prefix_suffix ... ok
[INFO] [stdout] test concat_with_suffix ... ok
[INFO] [stdout] test concat_with_suffix_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests concat-with
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - concat_line (line 184) ... ok
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1cf9529a9df109345c9e6567046b8706237461ff7ec8f5ce91f36ea91ef6aae4"`
[INFO] running `"docker" "rm" "-f" "1cf9529a9df109345c9e6567046b8706237461ff7ec8f5ce91f36ea91ef6aae4"`
[INFO] [stdout] 1cf9529a9df109345c9e6567046b8706237461ff7ec8f5ce91f36ea91ef6aae4