[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharshasrisri%2Fcrust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harshasrisri/crust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.8
[INFO] [stderr]   Downloaded proc-macro-error v0.4.8
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] aba1f26752306ac93bc6dee47f5800f15de96696e044f239697ee7b6951301d2
[INFO] running `Command { std: "docker" "start" "-a" "aba1f26752306ac93bc6dee47f5800f15de96696e044f239697ee7b6951301d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba1f26752306ac93bc6dee47f5800f15de96696e044f239697ee7b6951301d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba1f26752306ac93bc6dee47f5800f15de96696e044f239697ee7b6951301d2", kill_on_drop: false }`
[INFO] [stdout] aba1f26752306ac93bc6dee47f5800f15de96696e044f239697ee7b6951301d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6b01a5a9279a18e1b9618b235a0fce8dbfcc56380bd9fc4e65571f43c500c96
[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" "d6b01a5a9279a18e1b9618b235a0fce8dbfcc56380bd9fc4e65571f43c500c96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.74s
[INFO] running `Command { std: "docker" "inspect" "d6b01a5a9279a18e1b9618b235a0fce8dbfcc56380bd9fc4e65571f43c500c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b01a5a9279a18e1b9618b235a0fce8dbfcc56380bd9fc4e65571f43c500c96", kill_on_drop: false }`
[INFO] [stdout] d6b01a5a9279a18e1b9618b235a0fce8dbfcc56380bd9fc4e65571f43c500c96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 008f077d04f22bd19df2c75c157c20c099525572cdc9456de0fbac547f75c196
[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" "008f077d04f22bd19df2c75c157c20c099525572cdc9456de0fbac547f75c196", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "008f077d04f22bd19df2c75c157c20c099525572cdc9456de0fbac547f75c196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008f077d04f22bd19df2c75c157c20c099525572cdc9456de0fbac547f75c196", kill_on_drop: false }`
[INFO] [stdout] 008f077d04f22bd19df2c75c157c20c099525572cdc9456de0fbac547f75c196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] c7977e7e9747a80690f2be8ed854d88ff0ec6179c3623418f5de39fb91a4e62d
[INFO] running `Command { std: "docker" "start" "-a" "c7977e7e9747a80690f2be8ed854d88ff0ec6179c3623418f5de39fb91a4e62d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slice-eb130d17df2dfab8
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slice-5c416db0074f177f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slice-d49877b289628504
[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 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_neg_more_than_two_parts_in_range ... ok
[INFO] [stderr]    Doc-tests slice
[INFO] [stdout] test test_field_neg_open_ranges_in_middle ... ok
[INFO] [stdout] test test_field_neg_two_leading_hyphens ... ok
[INFO] [stdout] test test_field_complex_spec ... ok
[INFO] [stdout] test test_field_ordered_scatterred_numbers ... ok
[INFO] [stdout] test test_field_neg_two_trailing_hyphens ... ok
[INFO] [stdout] test test_field_overlapping_ranges ... ok
[INFO] [stdout] test test_field_range_and_numbers ... ok
[INFO] [stdout] test test_field_range_and_numbers_open ... ok
[INFO] [stdout] test test_field_neg_all_hyphens ... ok
[INFO] [stdout] test test_field_ordered_ranges ... ok
[INFO] [stdout] test test_field_neg_empty_field_spec ... 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_two_hyphens_in_range ... ok
[INFO] [stdout] test test_field_single_trailing_hyphen ... ok
[INFO] [stdout] test test_field_simple_sequence ... ok
[INFO] [stdout] test test_field_single_range ... ok
[INFO] [stdout] test test_field_unordered_ranges ... ok
[INFO] [stdout] test test_field_unordered_scatterred_numbers ... ok
[INFO] [stdout] test test_field_single_leading_hyphen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "c7977e7e9747a80690f2be8ed854d88ff0ec6179c3623418f5de39fb91a4e62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7977e7e9747a80690f2be8ed854d88ff0ec6179c3623418f5de39fb91a4e62d", kill_on_drop: false }`
[INFO] [stdout] c7977e7e9747a80690f2be8ed854d88ff0ec6179c3623418f5de39fb91a4e62d