[INFO] cloning repository https://github.com/harshasrisri/crust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harshasrisri/crust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharshasrisri%2Fcrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharshasrisri%2Fcrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3c78b771ad886375f98b7ccb470303839156374
[INFO] testing harshasrisri/crust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharshasrisri%2Fcrust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harshasrisri/crust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/harshasrisri/crust
[INFO] finished tweaking git repo https://github.com/harshasrisri/crust
[INFO] tweaked toml for git repo https://github.com/harshasrisri/crust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/harshasrisri/crust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2721fdde569786ca26397c619356311d50f4097dd985edbb853f8c813a1b0eb4
[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" "2721fdde569786ca26397c619356311d50f4097dd985edbb853f8c813a1b0eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2721fdde569786ca26397c619356311d50f4097dd985edbb853f8c813a1b0eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2721fdde569786ca26397c619356311d50f4097dd985edbb853f8c813a1b0eb4", kill_on_drop: false }`
[INFO] [stdout] 2721fdde569786ca26397c619356311d50f4097dd985edbb853f8c813a1b0eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e46a2a1ecedcb89a5d68a1c0c66d78b907192446901d90ae07d3b73b90720796
[INFO] running `Command { std: "docker" "start" "-a" "e46a2a1ecedcb89a5d68a1c0c66d78b907192446901d90ae07d3b73b90720796", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling slice v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `fields`
[INFO] [stdout]  --> src/fields.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fields: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.27s
[INFO] running `Command { std: "docker" "inspect" "e46a2a1ecedcb89a5d68a1c0c66d78b907192446901d90ae07d3b73b90720796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46a2a1ecedcb89a5d68a1c0c66d78b907192446901d90ae07d3b73b90720796", kill_on_drop: false }`
[INFO] [stdout] e46a2a1ecedcb89a5d68a1c0c66d78b907192446901d90ae07d3b73b90720796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20319e8b475ef979c4b508c7d7681dbd95c73c025bf0408f05f1c5ecc033586c
[INFO] running `Command { std: "docker" "start" "-a" "20319e8b475ef979c4b508c7d7681dbd95c73c025bf0408f05f1c5ecc033586c", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `fields`
[INFO] [stdout]  --> src/fields.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fields: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fields`
[INFO] [stdout]  --> src/fields.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fields: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "20319e8b475ef979c4b508c7d7681dbd95c73c025bf0408f05f1c5ecc033586c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20319e8b475ef979c4b508c7d7681dbd95c73c025bf0408f05f1c5ecc033586c", kill_on_drop: false }`
[INFO] [stdout] 20319e8b475ef979c4b508c7d7681dbd95c73c025bf0408f05f1c5ecc033586c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38aea071aae500982cdcf2b5addf38b0f4dc45c770515149f7d76f3d3b344219
[INFO] running `Command { std: "docker" "start" "-a" "38aea071aae500982cdcf2b5addf38b0f4dc45c770515149f7d76f3d3b344219", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `fields`
[INFO] [stderr]  --> src/fields.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fields: Vec<usize>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `slice` (lib) generated 1 warning
[INFO] [stderr] warning: `slice` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice-4ae405342f84df4e)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice-ed3ba025acf13a07)
[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] [stderr]      Running tests/slice.rs (/opt/rustwide/target/debug/deps/slice-8f650a31708532a8)
[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 22 tests
[INFO] [stdout] test test_field_neg_all_commas ... ok
[INFO] [stdout] test test_field_complex_spec ... ok
[INFO] [stdout] test test_field_neg_all_hyphens ... ok
[INFO] [stdout] test test_field_neg_invalid_ranges_in_end ... ok
[INFO] [stdout] test test_field_neg_invalid_ranges_in_start ... ok
[INFO] [stdout] test test_field_neg_more_than_two_parts_in_range ... ok
[INFO] [stdout] test test_field_ordered_scatterred_numbers ... ok
[INFO] [stdout] test test_field_range_and_numbers_open ... ok
[INFO] [stdout] test test_field_range_and_numbers ... ok
[INFO] [stdout] test test_field_overlapping_ranges ... ok
[INFO] [stdout] test test_field_single_range ... ok
[INFO] [stdout] test test_field_simple_sequence ... ok
[INFO] [stdout] test test_field_neg_two_leading_hyphens ... ok
[INFO] [stdout] test test_field_neg_two_trailing_hyphens ... ok
[INFO] [stdout] test test_field_unordered_scatterred_numbers ... ok
[INFO] [stdout] test test_field_unordered_ranges ... ok
[INFO] [stdout] test test_field_single_leading_hyphen ... ok
[INFO] [stdout] test test_field_ordered_ranges ... ok
[INFO] [stdout] test test_field_neg_open_ranges_in_middle ... ok
[INFO] [stdout] test test_field_neg_empty_field_spec ... ok
[INFO] [stdout] test test_field_single_trailing_hyphen ... ok
[INFO] [stdout] test test_field_neg_two_hyphens_in_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice
[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] running `Command { std: "docker" "inspect" "38aea071aae500982cdcf2b5addf38b0f4dc45c770515149f7d76f3d3b344219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38aea071aae500982cdcf2b5addf38b0f4dc45c770515149f7d76f3d3b344219", kill_on_drop: false }`
[INFO] [stdout] 38aea071aae500982cdcf2b5addf38b0f4dc45c770515149f7d76f3d3b344219