[INFO] fetching crate econf 0.1.1...
[INFO] testing econf-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate econf 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate econf 0.1.1 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 econf 0.1.1
[INFO] finished tweaking crates.io crate econf 0.1.1
[INFO] tweaked toml for crates.io crate econf 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate econf 0.1.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v0.5.0
[INFO] [stderr]   Downloaded parse_duration v1.0.1
[INFO] [stderr]   Downloaded econf-derive v0.1.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] ed87241b0c68ab42b380b55fb22186db44f14654695fac55d4239a35eb9d7eb3
[INFO] running `Command { std: "docker" "start" "-a" "ed87241b0c68ab42b380b55fb22186db44f14654695fac55d4239a35eb9d7eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed87241b0c68ab42b380b55fb22186db44f14654695fac55d4239a35eb9d7eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed87241b0c68ab42b380b55fb22186db44f14654695fac55d4239a35eb9d7eb3", kill_on_drop: false }`
[INFO] [stdout] ed87241b0c68ab42b380b55fb22186db44f14654695fac55d4239a35eb9d7eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 140a2ca7b07e3732332b60de4d6473aac7681990d9bf7bba4a1759ac12f41693
[INFO] running `Command { std: "docker" "start" "-a" "140a2ca7b07e3732332b60de4d6473aac7681990d9bf7bba4a1759ac12f41693", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling econf-derive v0.1.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling parse_duration v1.0.1
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling econf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.63s
[INFO] running `Command { std: "docker" "inspect" "140a2ca7b07e3732332b60de4d6473aac7681990d9bf7bba4a1759ac12f41693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140a2ca7b07e3732332b60de4d6473aac7681990d9bf7bba4a1759ac12f41693", kill_on_drop: false }`
[INFO] [stdout] 140a2ca7b07e3732332b60de4d6473aac7681990d9bf7bba4a1759ac12f41693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 011bb80c6e9919781aa3ba15f126ed7261548f33a4a61ac09cda5b5f1a93f6f4
[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" "011bb80c6e9919781aa3ba15f126ed7261548f33a4a61ac09cda5b5f1a93f6f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling econf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.69s
[INFO] running `Command { std: "docker" "inspect" "011bb80c6e9919781aa3ba15f126ed7261548f33a4a61ac09cda5b5f1a93f6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011bb80c6e9919781aa3ba15f126ed7261548f33a4a61ac09cda5b5f1a93f6f4", kill_on_drop: false }`
[INFO] [stdout] 011bb80c6e9919781aa3ba15f126ed7261548f33a4a61ac09cda5b5f1a93f6f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84429809128e65d9798ad546221fcd53137618262413f27dedb8cd1ff80f28c5
[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" "84429809128e65d9798ad546221fcd53137618262413f27dedb8cd1ff80f28c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/econf-5ad2a802b547ba46
[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] [stderr]      Running /opt/rustwide/target/debug/deps/basics-c94e6098249c1ae2
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test chars ... ok
[INFO] [stdout] test non_zero_numbers ... ok
[INFO] [stdout] test net ... ok
[INFO] [stdout] test maps ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] test capital ... ok
[INFO] [stdout] test boolean ... ok
[INFO] [stdout] test vectors ... ok
[INFO] [stdout] test tuples ... ok
[INFO] [stdout] test tuple_struct ... ok
[INFO] [stdout] test options ... ok
[INFO] [stdout] test numbers ... ok
[INFO] [stdout] test duration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests econf
[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" "84429809128e65d9798ad546221fcd53137618262413f27dedb8cd1ff80f28c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84429809128e65d9798ad546221fcd53137618262413f27dedb8cd1ff80f28c5", kill_on_drop: false }`
[INFO] [stdout] 84429809128e65d9798ad546221fcd53137618262413f27dedb8cd1ff80f28c5