[INFO] fetching crate cases 0.2.4...
[INFO] testing cases-0.2.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cases 0.2.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cases 0.2.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 030ba58b0edc017c3fa27f1f80495e73bfdb012de5c9c966f19bc70e7bf1591b
[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" "030ba58b0edc017c3fa27f1f80495e73bfdb012de5c9c966f19bc70e7bf1591b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "030ba58b0edc017c3fa27f1f80495e73bfdb012de5c9c966f19bc70e7bf1591b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030ba58b0edc017c3fa27f1f80495e73bfdb012de5c9c966f19bc70e7bf1591b", kill_on_drop: false }`
[INFO] [stdout] 030ba58b0edc017c3fa27f1f80495e73bfdb012de5c9c966f19bc70e7bf1591b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 1aedde82ac14a42b67e9dcb46d261bbdafe3c8796a93efc70fd9fba085dd4d3d
[INFO] running `Command { std: "docker" "start" "-a" "1aedde82ac14a42b67e9dcb46d261bbdafe3c8796a93efc70fd9fba085dd4d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[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 10.25s
[INFO] running `Command { std: "docker" "inspect" "1aedde82ac14a42b67e9dcb46d261bbdafe3c8796a93efc70fd9fba085dd4d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aedde82ac14a42b67e9dcb46d261bbdafe3c8796a93efc70fd9fba085dd4d3d", kill_on_drop: false }`
[INFO] [stdout] 1aedde82ac14a42b67e9dcb46d261bbdafe3c8796a93efc70fd9fba085dd4d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e618d44b79851c2a41724963e0f4d895e017c1d376e80482be815384c2036f
[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" "02e618d44b79851c2a41724963e0f4d895e017c1d376e80482be815384c2036f", 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 3.02s
[INFO] running `Command { std: "docker" "inspect" "02e618d44b79851c2a41724963e0f4d895e017c1d376e80482be815384c2036f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e618d44b79851c2a41724963e0f4d895e017c1d376e80482be815384c2036f", kill_on_drop: false }`
[INFO] [stdout] 02e618d44b79851c2a41724963e0f4d895e017c1d376e80482be815384c2036f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 5a2ab60e67bcd091b07dacc088a6050ddd2e2dc83034293a911c23822df35ac7
[INFO] running `Command { std: "docker" "start" "-a" "5a2ab60e67bcd091b07dacc088a6050ddd2e2dc83034293a911c23822df35ac7", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `any_segment_short`
[INFO] [stderr]    --> src/parser.rs:129:4
[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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cases-9852c9edd4e1e97c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a2ab60e67bcd091b07dacc088a6050ddd2e2dc83034293a911c23822df35ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2ab60e67bcd091b07dacc088a6050ddd2e2dc83034293a911c23822df35ac7", kill_on_drop: false }`
[INFO] [stdout] 5a2ab60e67bcd091b07dacc088a6050ddd2e2dc83034293a911c23822df35ac7