[INFO] fetching crate c0sv 0.1.1...
[INFO] checking c0sv-0.1.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate c0sv 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate c0sv 0.1.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c0sv 0.1.1
[INFO] finished tweaking crates.io crate c0sv 0.1.1
[INFO] tweaked toml for crates.io crate c0sv 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9f1e9d76f8b7be8cc86118088b00327263896a7907d1b603bec035ab6cc466b
[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" "b9f1e9d76f8b7be8cc86118088b00327263896a7907d1b603bec035ab6cc466b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9f1e9d76f8b7be8cc86118088b00327263896a7907d1b603bec035ab6cc466b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f1e9d76f8b7be8cc86118088b00327263896a7907d1b603bec035ab6cc466b", kill_on_drop: false }`
[INFO] [stdout] b9f1e9d76f8b7be8cc86118088b00327263896a7907d1b603bec035ab6cc466b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b6de76bf6053a54e8507663da83fd91f06ea0026a2731cd8355f11b05b86b9
[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" "20b6de76bf6053a54e8507663da83fd91f06ea0026a2731cd8355f11b05b86b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking c0sv v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `START_OF_HEADING`
[INFO] [stdout]  --> src/parser.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const START_OF_HEADING: u8 = 0x01;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `START_OF_TEXT`
[INFO] [stdout]   --> src/parser.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const START_OF_TEXT: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_OF_TEXT`
[INFO] [stdout]   --> src/parser.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const END_OF_TEXT: u8 = 0x03;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ESCAPE`
[INFO] [stdout]   --> src/parser.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const ESCAPE: u8 = 0x1B;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RECORD_SEPARATOR`
[INFO] [stdout]   --> src/parser.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const RECORD_SEPARATOR: u8 = 0x1E;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `UNIT_SEPARATOR`
[INFO] [stdout]   --> src/parser.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const UNIT_SEPARATOR: u8 = 0x1F;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_control`
[INFO] [stdout]   --> src/parser.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn is_control(input: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_unit`
[INFO] [stdout]   --> src/parser.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn parse_unit(input: &[u8]) -> IResult<&[u8], Unit<'_>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_units`
[INFO] [stdout]   --> src/parser.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn parse_units(mut input: &[u8]) -> IResult<&[u8], Units<'_>> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_heading`
[INFO] [stdout]   --> src/parser.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn parse_heading(input: &[u8]) -> IResult<&[u8], Heading<'_>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_records`
[INFO] [stdout]   --> src/parser.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn parse_records(input: &[u8]) -> IResult<&[u8], Vec<Units<'_>>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_document`
[INFO] [stdout]    --> src/parser.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn parse_document(input: &[u8]) -> IResult<&[u8], Document<'_>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `Command { std: "docker" "inspect" "20b6de76bf6053a54e8507663da83fd91f06ea0026a2731cd8355f11b05b86b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b6de76bf6053a54e8507663da83fd91f06ea0026a2731cd8355f11b05b86b9", kill_on_drop: false }`
[INFO] [stdout] 20b6de76bf6053a54e8507663da83fd91f06ea0026a2731cd8355f11b05b86b9