[INFO] fetching crate cobyla 0.1.2...
[INFO] testing cobyla-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cobyla 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cobyla 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cobyla 0.1.2
[INFO] finished tweaking crates.io crate cobyla 0.1.2
[INFO] tweaked toml for crates.io crate cobyla 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cobyla 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73041efaef6caddab717d1f8fef282080b79667954420d22e95f685003aa6c5a
[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" "73041efaef6caddab717d1f8fef282080b79667954420d22e95f685003aa6c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73041efaef6caddab717d1f8fef282080b79667954420d22e95f685003aa6c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73041efaef6caddab717d1f8fef282080b79667954420d22e95f685003aa6c5a", kill_on_drop: false }`
[INFO] [stdout] 73041efaef6caddab717d1f8fef282080b79667954420d22e95f685003aa6c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b1fbb2fe1493d222570ec4ccd522031a2e2a42804c528a7fd077c2daf4e266f
[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" "6b1fbb2fe1493d222570ec4ccd522031a2e2a42804c528a7fd077c2daf4e266f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling cobyla v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.04s
[INFO] running `Command { std: "docker" "inspect" "6b1fbb2fe1493d222570ec4ccd522031a2e2a42804c528a7fd077c2daf4e266f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1fbb2fe1493d222570ec4ccd522031a2e2a42804c528a7fd077c2daf4e266f", kill_on_drop: false }`
[INFO] [stdout] 6b1fbb2fe1493d222570ec4ccd522031a2e2a42804c528a7fd077c2daf4e266f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36142396db64b2401f5075bd05926b7670d3a959fbba44f28e26ce01344742e9
[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" "36142396db64b2401f5075bd05926b7670d3a959fbba44f28e26ce01344742e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cobyla v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "36142396db64b2401f5075bd05926b7670d3a959fbba44f28e26ce01344742e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36142396db64b2401f5075bd05926b7670d3a959fbba44f28e26ce01344742e9", kill_on_drop: false }`
[INFO] [stdout] 36142396db64b2401f5075bd05926b7670d3a959fbba44f28e26ce01344742e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d3135a6d2680e0abcf49c26c646b520c785991c33529d2db501e1cbb070683b
[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" "0d3135a6d2680e0abcf49c26c646b520c785991c33529d2db501e1cbb070683b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cobyla-bb05e973c3f992d3)
[INFO] [stdout] test tests::test_cobyla ... ok
[INFO] [stdout] test tests::test_cobyla_cstr ... ok
[INFO] [stdout] test tests::test_fmin_cobyla2 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cobyla-58ea28449e5d4242)
[INFO] [stdout] test tests::test_fmin_cobyla ... ok
[INFO] [stderr]    Doc-tests cobyla
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout]    Normal return from subroutine COBYLA
[INFO] [stdout] 
[INFO] [stdout]    NFVALS =   19   F = 8.391672E-01    MAXCV = 5.757773E-05
[INFO] [stdout]    X =-7.861685E-01   6.180034E-01
[INFO] [stdout] 
[INFO] [stdout]    Normal return from subroutine COBYLA
[INFO] [stdout] 
[INFO] [stdout]    NFVALS =   35   F = 1.000000E+01    MAXCV = 0.000000E+00
[INFO] [stdout]    X = 0.000000E+00  -9.970964E-05
[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 1 test
[INFO] [stdout] test src/lib.rs - fmin_cobyla (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d3135a6d2680e0abcf49c26c646b520c785991c33529d2db501e1cbb070683b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3135a6d2680e0abcf49c26c646b520c785991c33529d2db501e1cbb070683b", kill_on_drop: false }`
[INFO] [stdout] 0d3135a6d2680e0abcf49c26c646b520c785991c33529d2db501e1cbb070683b