[INFO] fetching crate cases 0.2.4...
[INFO] testing cases-0.2.4 against 1.52.1 for beta-1.52-2
[INFO] extracting crate cases 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cases 0.2.4 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cases 0.2.4
[INFO] finished tweaking crates.io crate cases 0.2.4
[INFO] tweaked toml for crates.io crate cases 0.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cases 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eb16b5fe3d785e5c2fd52954994104fe187a8da23924f25261e3119d899d88f
[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" "5eb16b5fe3d785e5c2fd52954994104fe187a8da23924f25261e3119d899d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb16b5fe3d785e5c2fd52954994104fe187a8da23924f25261e3119d899d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb16b5fe3d785e5c2fd52954994104fe187a8da23924f25261e3119d899d88f", kill_on_drop: false }`
[INFO] [stdout] 5eb16b5fe3d785e5c2fd52954994104fe187a8da23924f25261e3119d899d88f
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] 51e5de564f5bb6c8610ee137ee31a2a948e9813978c3c7156cce83e28cbda04f
[INFO] running `Command { std: "docker" "start" "-a" "51e5de564f5bb6c8610ee137ee31a2a948e9813978c3c7156cce83e28cbda04f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cases v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `any_segment_short`
[INFO] [stdout]    --> src/parser.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn any_segment_short(input: &str) -> IResult<&str, String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Upper`
[INFO] [stdout]    --> src/parser.rs:306:3
[INFO] [stdout]     |
[INFO] [stdout] 306 |   Upper,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lower`
[INFO] [stdout]    --> src/parser.rs:307:3
[INFO] [stdout]     |
[INFO] [stdout] 307 |   Lower,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "51e5de564f5bb6c8610ee137ee31a2a948e9813978c3c7156cce83e28cbda04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e5de564f5bb6c8610ee137ee31a2a948e9813978c3c7156cce83e28cbda04f", kill_on_drop: false }`
[INFO] [stdout] 51e5de564f5bb6c8610ee137ee31a2a948e9813978c3c7156cce83e28cbda04f
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] f436703d0d13efdbc0f6ec8aab42ca98e8ff6e37dd62038cd24144f3a8ded2a1
[INFO] running `Command { std: "docker" "start" "-a" "f436703d0d13efdbc0f6ec8aab42ca98e8ff6e37dd62038cd24144f3a8ded2a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cases v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `any_segment_short`
[INFO] [stdout]    --> src/parser.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn any_segment_short(input: &str) -> IResult<&str, String> {
[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 3.13s
[INFO] running `Command { std: "docker" "inspect" "f436703d0d13efdbc0f6ec8aab42ca98e8ff6e37dd62038cd24144f3a8ded2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f436703d0d13efdbc0f6ec8aab42ca98e8ff6e37dd62038cd24144f3a8ded2a1", kill_on_drop: false }`
[INFO] [stdout] f436703d0d13efdbc0f6ec8aab42ca98e8ff6e37dd62038cd24144f3a8ded2a1
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] 138cc371583149f57e2cbea2fc5dca4ce2031ebcab97f0a6aae266b5086459db
[INFO] running `Command { std: "docker" "start" "-a" "138cc371583149f57e2cbea2fc5dca4ce2031ebcab97f0a6aae266b5086459db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `any_segment_short`
[INFO] [stdout] 
[INFO] [stderr]    --> src/parser.rs:129:4
[INFO] [stdout] running 1 test
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn any_segment_short(input: &str) -> IResult<&str, String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cases-2d4d7a6120c48fd0)
[INFO] [stdout] test parser::parse_cases ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "138cc371583149f57e2cbea2fc5dca4ce2031ebcab97f0a6aae266b5086459db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138cc371583149f57e2cbea2fc5dca4ce2031ebcab97f0a6aae266b5086459db", kill_on_drop: false }`
[INFO] [stdout] 138cc371583149f57e2cbea2fc5dca4ce2031ebcab97f0a6aae266b5086459db