[INFO] cloning repository https://github.com/eignnx/m-o
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eignnx/m-o" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9da13d51a263f80b0f6b76bfd96778f39cc6a420
[INFO] testing eignnx/m-o against 1.52.1 for beta-1.52-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eignnx/m-o on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eignnx/m-o
[INFO] finished tweaking git repo https://github.com/eignnx/m-o
[INFO] tweaked toml for git repo https://github.com/eignnx/m-o written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/eignnx/m-o already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72a475c9534f2f1afb51bef764f2589ca3211e640fa381ba6bc2e4af4595e320
[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" "72a475c9534f2f1afb51bef764f2589ca3211e640fa381ba6bc2e4af4595e320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72a475c9534f2f1afb51bef764f2589ca3211e640fa381ba6bc2e4af4595e320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a475c9534f2f1afb51bef764f2589ca3211e640fa381ba6bc2e4af4595e320", kill_on_drop: false }`
[INFO] [stdout] 72a475c9534f2f1afb51bef764f2589ca3211e640fa381ba6bc2e4af4595e320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--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] 1edc1ed5514031df66f056d086d649ad1ab9e67a09f166604323046999683740
[INFO] running `Command { std: "docker" "start" "-a" "1edc1ed5514031df66f056d086d649ad1ab9e67a09f166604323046999683740", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pretty v0.6.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling clap v2.33.0
[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 53.17s
[INFO] running `Command { std: "docker" "inspect" "1edc1ed5514031df66f056d086d649ad1ab9e67a09f166604323046999683740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1edc1ed5514031df66f056d086d649ad1ab9e67a09f166604323046999683740", kill_on_drop: false }`
[INFO] [stdout] 1edc1ed5514031df66f056d086d649ad1ab9e67a09f166604323046999683740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1da93220cecf9bf7a87650552b9c0210ab0e60a3a69f225a84eb28c87b65ef26
[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" "1da93220cecf9bf7a87650552b9c0210ab0e60a3a69f225a84eb28c87b65ef26", kill_on_drop: false }`
[INFO] [stderr]    Compiling m-o v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "1da93220cecf9bf7a87650552b9c0210ab0e60a3a69f225a84eb28c87b65ef26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da93220cecf9bf7a87650552b9c0210ab0e60a3a69f225a84eb28c87b65ef26", kill_on_drop: false }`
[INFO] [stdout] 1da93220cecf9bf7a87650552b9c0210ab0e60a3a69f225a84eb28c87b65ef26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f5ee3b79c95a1eac71ebcf00ae04cb106c5623ddfb422fbf8924ffe3893b60c
[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" "4f5ee3b79c95a1eac71ebcf00ae04cb106c5623ddfb422fbf8924ffe3893b60c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/m_o-29f3390000d24f90)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/m_o-d5dd2fbd8c478495)
[INFO] [stderr]      Running tests/parsing_tests.rs (/opt/rustwide/target/debug/deps/parsing_tests-7be856bef44370d7)
[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] [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] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test test_list ... ok
[INFO] [stdout] test test_bool ... ok
[INFO] [stdout] test test_float_vs_int_precedence ... ok
[INFO] [stdout] test test_quotes_inside_quotes ... ok
[INFO] [stdout] test test_empty_dict_value ... ok
[INFO] [stdout] test test_big_value ... ok
[INFO] [stdout] test test_constructor ... ok
[INFO] [stdout] test test_dict ... ok
[INFO] [stdout] test test_empty_set ... ok
[INFO] [stdout] test test_mixed_args_and_kwargs_constructor ... ok
[INFO] [stdout] test test_float ... ok
[INFO] [stdout] test test_tuple ... ok
[INFO] [stdout] test test_int ... ok
[INFO] [stdout] test test_symbol ... ok
[INFO] [stdout] test test_str_escaping ... ok
[INFO] [stdout] test test_str ... ok
[INFO] [stdout] test test_set ... ok
[INFO] [stdout] test test_symbol_with_dot ... ok
[INFO] [stderr]      Running tests/pretty_printing_tests.rs (/opt/rustwide/target/debug/deps/pretty_printing_tests-b730a6c53269d4c0)
[INFO] [stdout] test test_datetime_constructor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_simple_value_to_string ... ok
[INFO] [stdout] test test_nested_dicts_to_string ... ok
[INFO] [stderr]    Doc-tests m-o
[INFO] [stdout] test test_deep_nesting_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "4f5ee3b79c95a1eac71ebcf00ae04cb106c5623ddfb422fbf8924ffe3893b60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5ee3b79c95a1eac71ebcf00ae04cb106c5623ddfb422fbf8924ffe3893b60c", kill_on_drop: false }`
[INFO] [stdout] 4f5ee3b79c95a1eac71ebcf00ae04cb106c5623ddfb422fbf8924ffe3893b60c