[INFO] fetching crate minimal-id 0.8.0...
[INFO] testing minimal-id-0.8.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate minimal-id 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate minimal-id 0.8.0 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 crates.io crate minimal-id 0.8.0
[INFO] finished tweaking crates.io crate minimal-id 0.8.0
[INFO] tweaked toml for crates.io crate minimal-id 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ci_info v0.10.1
[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] cade9664e9ce6183b4f35dc170c6fa53181de54617a427a354d3aa4229e87597
[INFO] running `"docker" "start" "-a" "cade9664e9ce6183b4f35dc170c6fa53181de54617a427a354d3aa4229e87597"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling data-encoding v2.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling minimal-id v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::convert::TryFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.34s
[INFO] running `"docker" "inspect" "cade9664e9ce6183b4f35dc170c6fa53181de54617a427a354d3aa4229e87597"`
[INFO] running `"docker" "rm" "-f" "cade9664e9ce6183b4f35dc170c6fa53181de54617a427a354d3aa4229e87597"`
[INFO] [stdout] cade9664e9ce6183b4f35dc170c6fa53181de54617a427a354d3aa4229e87597
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b42f46da368f7c070f77fb0131f78fd3598978da583f04c697aca7ee745b239
[INFO] running `"docker" "start" "-a" "7b42f46da368f7c070f77fb0131f78fd3598978da583f04c697aca7ee745b239"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling fsio v0.1.2
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::convert::TryFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling envmnt v0.8.2
[INFO] [stderr]    Compiling ci_info v0.10.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling rusty-hook v0.11.1
[INFO] [stderr]    Compiling minimal-id v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.33s
[INFO] running `"docker" "inspect" "7b42f46da368f7c070f77fb0131f78fd3598978da583f04c697aca7ee745b239"`
[INFO] running `"docker" "rm" "-f" "7b42f46da368f7c070f77fb0131f78fd3598978da583f04c697aca7ee745b239"`
[INFO] [stdout] 7b42f46da368f7c070f77fb0131f78fd3598978da583f04c697aca7ee745b239
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87ac39f10f1a396a9c04b6820069fc62d13b0e10c990a1e7c08f247bd8cdbe09
[INFO] running `"docker" "start" "-a" "87ac39f10f1a396a9c04b6820069fc62d13b0e10c990a1e7c08f247bd8cdbe09"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::convert::TryFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::functional_validate_collisions ... ignored
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minimal_id-c7c5f94e5e141d09
[INFO] [stdout] test tests::acceptance_test_round_trip ... ok
[INFO] [stdout] test tests::str_slice_into_minimal_id ... ok
[INFO] [stdout] test tests::functional_serializes_to_encoded_string ... ok
[INFO] [stdout] test seed::tests::functional_seed_to_slice ... ok
[INFO] [stdout] test tests::minimal_id_fmt_display ... ok
[INFO] [stdout] test tests::can_clone_minimal_id ... ok
[INFO] [stdout] test tests::minimal_id_into_string ... ok
[INFO] [stdout] test generator::tests::functional_test_generate_unique_ids ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minimal-id
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/generator.rs - generator::Generator (line 8) ... ok
[INFO] [stdout] test src/lib.rs - MinimalId::default (line 54) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator::id_from_str (line 30) ... ok
[INFO] [stdout] test src/lib.rs - MinimalId::from_str (line 111) ... ok
[INFO] [stdout] test src/lib.rs - MinimalId (line 39) ... ok
[INFO] [stdout] test src/seed.rs - seed::Seed::from_time (line 16) ... ok
[INFO] [stdout] test src/lib.rs - generator (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "87ac39f10f1a396a9c04b6820069fc62d13b0e10c990a1e7c08f247bd8cdbe09"`
[INFO] running `"docker" "rm" "-f" "87ac39f10f1a396a9c04b6820069fc62d13b0e10c990a1e7c08f247bd8cdbe09"`
[INFO] [stdout] 87ac39f10f1a396a9c04b6820069fc62d13b0e10c990a1e7c08f247bd8cdbe09