[INFO] crate m-o 1.0.0 is already in cache
[INFO] testing m-o-1.0.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate m-o 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate m-o 1.0.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate m-o 1.0.0
[INFO] finished tweaking crates.io crate m-o 1.0.0
[INFO] tweaked toml for crates.io crate m-o 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate m-o 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] ae4447f22044a77990b0398dd6a312a8f0cfc6ad3fe7a3364064527c39665102
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ae4447f22044a77990b0398dd6a312a8f0cfc6ad3fe7a3364064527c39665102"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling pretty v0.6.0
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling m-o v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.46s
[INFO] running `"docker" "inspect" "ae4447f22044a77990b0398dd6a312a8f0cfc6ad3fe7a3364064527c39665102"`
[INFO] running `"docker" "rm" "-f" "ae4447f22044a77990b0398dd6a312a8f0cfc6ad3fe7a3364064527c39665102"`
[INFO] [stdout] ae4447f22044a77990b0398dd6a312a8f0cfc6ad3fe7a3364064527c39665102
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 4320366f3faf044451b12910592ad2b877141a4f3e4213503e19ed91067e7d68
[INFO] running `"docker" "start" "-a" "4320366f3faf044451b12910592ad2b877141a4f3e4213503e19ed91067e7d68"`
[INFO] [stderr]    Compiling m-o v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `"docker" "inspect" "4320366f3faf044451b12910592ad2b877141a4f3e4213503e19ed91067e7d68"`
[INFO] running `"docker" "rm" "-f" "4320366f3faf044451b12910592ad2b877141a4f3e4213503e19ed91067e7d68"`
[INFO] [stdout] 4320366f3faf044451b12910592ad2b877141a4f3e4213503e19ed91067e7d68
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 124784af0f3cd8279999ef0616f65f20d5a87355a57c180c581fe8a8000b553e
[INFO] running `"docker" "start" "-a" "124784af0f3cd8279999ef0616f65f20d5a87355a57c180c581fe8a8000b553e"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/m_o-49e39dfbbfc9bb65
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/m_o-49fc6f08452a9d41
[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] [stderr]      Running /opt/rustwide/target/debug/deps/parsing_tests-6b8a6ab98762a7ad
[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 19 tests
[INFO] [stdout] test test_big_value ... ok
[INFO] [stdout] test test_bool ... ok
[INFO] [stdout] test test_dict ... ok
[INFO] [stdout] test test_empty_dict_value ... ok
[INFO] [stdout] test test_float ... ok
[INFO] [stdout] test test_list ... ok
[INFO] [stdout] test test_float_vs_int_precedence ... ok
[INFO] [stdout] test test_quotes_inside_quotes ... ok
[INFO] [stdout] test test_set ... ok
[INFO] [stdout] test test_str ... ok
[INFO] [stdout] test test_int ... ok
[INFO] [stdout] test test_empty_set ... ok
[INFO] [stdout] test test_tuple ... ok
[INFO] [stdout] test test_symbol_with_dot ... ok
[INFO] [stdout] test test_str_escaping ... ok
[INFO] [stdout] test test_constructor ... ok
[INFO] [stdout] test test_datetime_constructor ... ok
[INFO] [stdout] test test_mixed_args_and_kwargs_constructor ... ok
[INFO] [stdout] test test_symbol ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pretty_printing_tests-6f476b171c67214d
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_nested_dicts_to_string ... ok
[INFO] [stdout] test test_deep_nesting_to_string ... ok
[INFO] [stdout] test test_simple_value_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests m-o
[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] running `"docker" "inspect" "124784af0f3cd8279999ef0616f65f20d5a87355a57c180c581fe8a8000b553e"`
[INFO] running `"docker" "rm" "-f" "124784af0f3cd8279999ef0616f65f20d5a87355a57c180c581fe8a8000b553e"`
[INFO] [stdout] 124784af0f3cd8279999ef0616f65f20d5a87355a57c180c581fe8a8000b553e