[INFO] updating cached repository https://github.com/elbart/jf
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8847d70527843afd5cdc96b56203c97736d9a0c2
[INFO] testing elbart/jf against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbart%2Fjf" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elbart/jf on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/elbart/jf
[INFO] finished tweaking git repo https://github.com/elbart/jf
[INFO] tweaked toml for git repo https://github.com/elbart/jf written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/elbart/jf 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0f358a5da64d3dce25459561c29b0c92145e1bb4db066390b5b4e209eeb84f61
[INFO] running `"docker" "start" "-a" "0f358a5da64d3dce25459561c29b0c92145e1bb4db066390b5b4e209eeb84f61"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling jf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:71:37
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn read_json_to_string(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stderr]    |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.71s
[INFO] running `"docker" "inspect" "0f358a5da64d3dce25459561c29b0c92145e1bb4db066390b5b4e209eeb84f61"`
[INFO] running `"docker" "rm" "-f" "0f358a5da64d3dce25459561c29b0c92145e1bb4db066390b5b4e209eeb84f61"`
[INFO] [stdout] 0f358a5da64d3dce25459561c29b0c92145e1bb4db066390b5b4e209eeb84f61
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 632d256778ec156a18a801e635a04bf4ecab95b0ab0bd252f8a573927058c55e
[INFO] running `"docker" "start" "-a" "632d256778ec156a18a801e635a04bf4ecab95b0ab0bd252f8a573927058c55e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling jf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:71:37
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn read_json_to_string(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stderr]    |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "632d256778ec156a18a801e635a04bf4ecab95b0ab0bd252f8a573927058c55e"`
[INFO] running `"docker" "rm" "-f" "632d256778ec156a18a801e635a04bf4ecab95b0ab0bd252f8a573927058c55e"`
[INFO] [stdout] 632d256778ec156a18a801e635a04bf4ecab95b0ab0bd252f8a573927058c55e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6cb7fb929541ab532e6c2139da83864b8c314a798e9b55c38a87c2de1d8e6611
[INFO] running `"docker" "start" "-a" "6cb7fb929541ab532e6c2139da83864b8c314a798e9b55c38a87c2de1d8e6611"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:71:37
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn read_json_to_string(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stderr]    |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jf-03892d2d7623c70f
[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" "6cb7fb929541ab532e6c2139da83864b8c314a798e9b55c38a87c2de1d8e6611"`
[INFO] running `"docker" "rm" "-f" "6cb7fb929541ab532e6c2139da83864b8c314a798e9b55c38a87c2de1d8e6611"`
[INFO] [stdout] 6cb7fb929541ab532e6c2139da83864b8c314a798e9b55c38a87c2de1d8e6611