[INFO] updating cached repository https://github.com/ivanovaleksey/deser
[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] 6d6ba1468ed89744676937158023870405296a58
[INFO] testing ivanovaleksey/deser against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanovaleksey%2Fdeser" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivanovaleksey/deser on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ivanovaleksey/deser
[INFO] finished tweaking git repo https://github.com/ivanovaleksey/deser
[INFO] tweaked toml for git repo https://github.com/ivanovaleksey/deser written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ivanovaleksey/deser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "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] 1681083e82c2a3c8e86b619bcfafc006b81ce4eb0ba4092361fee72f308d8c5d
[INFO] running `"docker" "start" "-a" "1681083e82c2a3c8e86b619bcfafc006b81ce4eb0ba4092361fee72f308d8c5d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling deser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.51s
[INFO] running `"docker" "inspect" "1681083e82c2a3c8e86b619bcfafc006b81ce4eb0ba4092361fee72f308d8c5d"`
[INFO] running `"docker" "rm" "-f" "1681083e82c2a3c8e86b619bcfafc006b81ce4eb0ba4092361fee72f308d8c5d"`
[INFO] [stdout] 1681083e82c2a3c8e86b619bcfafc006b81ce4eb0ba4092361fee72f308d8c5d
[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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] a0ed156a89de394526dbd1a0656d1695aaf37246919da0e0b33f1ff1b7687db0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a0ed156a89de394526dbd1a0656d1695aaf37246919da0e0b33f1ff1b7687db0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling deser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> examples/first.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         _ => unreachable!(),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `"docker" "inspect" "a0ed156a89de394526dbd1a0656d1695aaf37246919da0e0b33f1ff1b7687db0"`
[INFO] running `"docker" "rm" "-f" "a0ed156a89de394526dbd1a0656d1695aaf37246919da0e0b33f1ff1b7687db0"`
[INFO] [stdout] a0ed156a89de394526dbd1a0656d1695aaf37246919da0e0b33f1ff1b7687db0
[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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] e8c61846d772b1f757aecdd26d684276a9fa2b1c85d1ca190fb3eccf93ba5766
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e8c61846d772b1f757aecdd26d684276a9fa2b1c85d1ca190fb3eccf93ba5766"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unreachable pattern
[INFO] [stdout] 
[INFO] [stderr]   --> examples/first.rs:52:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 52 |         _ => unreachable!(),
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |         ^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/deser-41186834499a1b61
[INFO] running `"docker" "inspect" "e8c61846d772b1f757aecdd26d684276a9fa2b1c85d1ca190fb3eccf93ba5766"`
[INFO] running `"docker" "rm" "-f" "e8c61846d772b1f757aecdd26d684276a9fa2b1c85d1ca190fb3eccf93ba5766"`
[INFO] [stdout] e8c61846d772b1f757aecdd26d684276a9fa2b1c85d1ca190fb3eccf93ba5766