[INFO] fetching crate meap 0.4.2...
[INFO] testing meap-0.4.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate meap 0.4.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate meap 0.4.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meap 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate meap 0.4.2
[INFO] tweaked toml for crates.io crate meap 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate meap 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e5c7a6d6cf3cacb2afa6b0aa8ca2e0162663d6be7570349df9be833609c2fd
[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" "90e5c7a6d6cf3cacb2afa6b0aa8ca2e0162663d6be7570349df9be833609c2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e5c7a6d6cf3cacb2afa6b0aa8ca2e0162663d6be7570349df9be833609c2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e5c7a6d6cf3cacb2afa6b0aa8ca2e0162663d6be7570349df9be833609c2fd", kill_on_drop: false }`
[INFO] [stdout] 90e5c7a6d6cf3cacb2afa6b0aa8ca2e0162663d6be7570349df9be833609c2fd
[INFO] running `Command { std: "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" "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" "+1.49.0" "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] 7eb6aec5d344e3542cfe964b28e0d4b7cbacd3184057358eebcfe43f323215dd
[INFO] running `Command { std: "docker" "start" "-a" "7eb6aec5d344e3542cfe964b28e0d4b7cbacd3184057358eebcfe43f323215dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling meap v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "7eb6aec5d344e3542cfe964b28e0d4b7cbacd3184057358eebcfe43f323215dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb6aec5d344e3542cfe964b28e0d4b7cbacd3184057358eebcfe43f323215dd", kill_on_drop: false }`
[INFO] [stdout] 7eb6aec5d344e3542cfe964b28e0d4b7cbacd3184057358eebcfe43f323215dd
[INFO] running `Command { std: "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" "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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 450fbd8959763b349671450357261921babd7406c6a4b52648e748b7f27f0434
[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" "450fbd8959763b349671450357261921babd7406c6a4b52648e748b7f27f0434", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling parse_duration v2.1.0
[INFO] [stderr]    Compiling meap v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.67s
[INFO] running `Command { std: "docker" "inspect" "450fbd8959763b349671450357261921babd7406c6a4b52648e748b7f27f0434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450fbd8959763b349671450357261921babd7406c6a4b52648e748b7f27f0434", kill_on_drop: false }`
[INFO] [stdout] 450fbd8959763b349671450357261921babd7406c6a4b52648e748b7f27f0434
[INFO] running `Command { std: "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" "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" "+1.49.0" "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] e5577fbafe154905bd1d8517c271ed884421013f3b1237491fcdafb5d9ce05d1
[INFO] running `Command { std: "docker" "start" "-a" "e5577fbafe154905bd1d8517c271ed884421013f3b1237491fcdafb5d9ce05d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/meap-aedb9f6fddef9b26
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests meap
[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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5577fbafe154905bd1d8517c271ed884421013f3b1237491fcdafb5d9ce05d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5577fbafe154905bd1d8517c271ed884421013f3b1237491fcdafb5d9ce05d1", kill_on_drop: false }`
[INFO] [stdout] e5577fbafe154905bd1d8517c271ed884421013f3b1237491fcdafb5d9ce05d1