[INFO] fetching crate fib 1.0.1...
[INFO] testing fib-1.0.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate fib 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fib 1.0.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fib 1.0.1
[INFO] finished tweaking crates.io crate fib 1.0.1
[INFO] tweaked toml for crates.io crate fib 1.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fib 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81f5eb2238d89289ff1bf07b08fc5b27611cfaa64be9b33bdcfc5a277788ca04
[INFO] running `"docker" "start" "-a" "81f5eb2238d89289ff1bf07b08fc5b27611cfaa64be9b33bdcfc5a277788ca04"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling fib v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `"docker" "inspect" "81f5eb2238d89289ff1bf07b08fc5b27611cfaa64be9b33bdcfc5a277788ca04"`
[INFO] running `"docker" "rm" "-f" "81f5eb2238d89289ff1bf07b08fc5b27611cfaa64be9b33bdcfc5a277788ca04"`
[INFO] [stdout] 81f5eb2238d89289ff1bf07b08fc5b27611cfaa64be9b33bdcfc5a277788ca04
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "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] 6a19c884e2b970787b67d7cd0d27f2ea2ed24898605b135043d9bf7718844b6a
[INFO] running `"docker" "start" "-a" "6a19c884e2b970787b67d7cd0d27f2ea2ed24898605b135043d9bf7718844b6a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fib v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "6a19c884e2b970787b67d7cd0d27f2ea2ed24898605b135043d9bf7718844b6a"`
[INFO] running `"docker" "rm" "-f" "6a19c884e2b970787b67d7cd0d27f2ea2ed24898605b135043d9bf7718844b6a"`
[INFO] [stdout] 6a19c884e2b970787b67d7cd0d27f2ea2ed24898605b135043d9bf7718844b6a
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "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] 6aa10f349e6a3be4da46dbe8f836e7dad2048703b07af8162ad7f212e60d723d
[INFO] running `"docker" "start" "-a" "6aa10f349e6a3be4da46dbe8f836e7dad2048703b07af8162ad7f212e60d723d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fib-939b425f1c031033
[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" "6aa10f349e6a3be4da46dbe8f836e7dad2048703b07af8162ad7f212e60d723d"`
[INFO] running `"docker" "rm" "-f" "6aa10f349e6a3be4da46dbe8f836e7dad2048703b07af8162ad7f212e60d723d"`
[INFO] [stdout] 6aa10f349e6a3be4da46dbe8f836e7dad2048703b07af8162ad7f212e60d723d