[INFO] fetching crate cases 0.2.4...
[INFO] checking cases-0.2.4 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[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 f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2aa5f64c51ed6d6cda4961d0e154dad97352275688aee005a5a90f154323e10
[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" "e2aa5f64c51ed6d6cda4961d0e154dad97352275688aee005a5a90f154323e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2aa5f64c51ed6d6cda4961d0e154dad97352275688aee005a5a90f154323e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2aa5f64c51ed6d6cda4961d0e154dad97352275688aee005a5a90f154323e10", kill_on_drop: false }`
[INFO] [stdout] e2aa5f64c51ed6d6cda4961d0e154dad97352275688aee005a5a90f154323e10
[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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc461abb84b098090a80adda1bd2fa2e003557de5f592abd19333e936fc3665a
[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" "dc461abb84b098090a80adda1bd2fa2e003557de5f592abd19333e936fc3665a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]     Checking 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] [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 dev [unoptimized + debuginfo] target(s) in 12.75s
[INFO] running `Command { std: "docker" "inspect" "dc461abb84b098090a80adda1bd2fa2e003557de5f592abd19333e936fc3665a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc461abb84b098090a80adda1bd2fa2e003557de5f592abd19333e936fc3665a", kill_on_drop: false }`
[INFO] [stdout] dc461abb84b098090a80adda1bd2fa2e003557de5f592abd19333e936fc3665a