[INFO] cloning repository https://github.com/biddellns/nom-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/biddellns/nom-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiddellns%2Fnom-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiddellns%2Fnom-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfb21e6edafe1a5f9a3a38d41d2e91538b4c3031
[INFO] checking biddellns/nom-practice against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiddellns%2Fnom-practice" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/biddellns/nom-practice on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/biddellns/nom-practice
[INFO] finished tweaking git repo https://github.com/biddellns/nom-practice
[INFO] tweaked toml for git repo https://github.com/biddellns/nom-practice written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/biddellns/nom-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5e79c2b50b7b1e7d1826982ce3cae3ae5b46bb14a9150986aa8e498888d139f
[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" "a5e79c2b50b7b1e7d1826982ce3cae3ae5b46bb14a9150986aa8e498888d139f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e79c2b50b7b1e7d1826982ce3cae3ae5b46bb14a9150986aa8e498888d139f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e79c2b50b7b1e7d1826982ce3cae3ae5b46bb14a9150986aa8e498888d139f", kill_on_drop: false }`
[INFO] [stdout] a5e79c2b50b7b1e7d1826982ce3cae3ae5b46bb14a9150986aa8e498888d139f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bffce05d49a3f2c8a21cbb61fdb4a1d53bdf98105265ad7c76a7a48e8d3ba8c
[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" "5bffce05d49a3f2c8a21cbb61fdb4a1d53bdf98105265ad7c76a7a48e8d3ba8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking runner v0.1.0 (/opt/rustwide/workdir/runner)
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking lexical-core v0.7.5
[INFO] [stderr]     Checking hex-color v0.1.0 (/opt/rustwide/workdir/libs/hex-color)
[INFO] [stdout] warning: function is never used: `from_hex`
[INFO] [stdout]   --> libs/hex-color/src/lib.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn from_hex(input: &str) -> Result<u8, std::num::ParseIntError> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_hex_digit`
[INFO] [stdout]   --> libs/hex-color/src/lib.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn is_hex_digit(c: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_primary`
[INFO] [stdout]   --> libs/hex-color/src/lib.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn hex_primary(input: &str) -> IResult<&str, u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_color`
[INFO] [stdout]   --> libs/hex-color/src/lib.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn hex_color(input: &str) -> IResult<&str, Color> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_number`
[INFO] [stdout]   --> libs/hex-color/src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hex_number(input: &str) -> IResult<&str, ColorHex> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_raw`
[INFO] [stdout]   --> libs/hex-color/src/lib.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn hex_raw(input: &str) -> IResult<&str, String> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.33s
[INFO] running `Command { std: "docker" "inspect" "5bffce05d49a3f2c8a21cbb61fdb4a1d53bdf98105265ad7c76a7a48e8d3ba8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bffce05d49a3f2c8a21cbb61fdb4a1d53bdf98105265ad7c76a7a48e8d3ba8c", kill_on_drop: false }`
[INFO] [stdout] 5bffce05d49a3f2c8a21cbb61fdb4a1d53bdf98105265ad7c76a7a48e8d3ba8c