[INFO] cloning repository https://github.com/wangxuesong/nom-kaleidoscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangxuesong/nom-kaleidoscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangxuesong%2Fnom-kaleidoscope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangxuesong%2Fnom-kaleidoscope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7365047acc7dd56884e0404d1e5696cafca7ec3
[INFO] checking wangxuesong/nom-kaleidoscope against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangxuesong%2Fnom-kaleidoscope" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangxuesong/nom-kaleidoscope on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wangxuesong/nom-kaleidoscope
[INFO] finished tweaking git repo https://github.com/wangxuesong/nom-kaleidoscope
[INFO] tweaked toml for git repo https://github.com/wangxuesong/nom-kaleidoscope written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/wangxuesong/nom-kaleidoscope already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded nom_locate v2.0.0
[INFO] [stderr]   Downloaded syn v1.0.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", 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] 1b145188b797d60eb9085dfdb62f5096f4ae5e87b4fc41a9d12f7f8e31beb351
[INFO] running `Command { std: "docker" "start" "-a" "1b145188b797d60eb9085dfdb62f5096f4ae5e87b4fc41a9d12f7f8e31beb351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b145188b797d60eb9085dfdb62f5096f4ae5e87b4fc41a9d12f7f8e31beb351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b145188b797d60eb9085dfdb62f5096f4ae5e87b4fc41a9d12f7f8e31beb351", kill_on_drop: false }`
[INFO] [stdout] 1b145188b797d60eb9085dfdb62f5096f4ae5e87b4fc41a9d12f7f8e31beb351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2698ccb77aea2ac38ace4c56c4d8d87480b98f86a9adff0a6f92373f96360320
[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" "2698ccb77aea2ac38ace4c56c4d8d87480b98f86a9adff0a6f92373f96360320", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking nom_locate v2.0.0
[INFO] [stderr]     Checking nom-kaleidoscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `keywords`
[INFO] [stdout]   --> src/keywords.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn keywords(i: Span) -> IResult<Span, Span> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `identifier`
[INFO] [stdout]   --> src/parser.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn identifier(i: Span) -> IResult<Span, Span> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_expr`
[INFO] [stdout]   --> src/parser.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn number_expr(i: Span) -> IResult<Span, Expression> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variable_expr`
[INFO] [stdout]   --> src/parser.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn variable_expr(i: Span) -> IResult<Span, Expression> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expression`
[INFO] [stdout]   --> src/parser.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn expression(i: Span) -> IResult<Span, Expression> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.31s
[INFO] running `Command { std: "docker" "inspect" "2698ccb77aea2ac38ace4c56c4d8d87480b98f86a9adff0a6f92373f96360320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2698ccb77aea2ac38ace4c56c4d8d87480b98f86a9adff0a6f92373f96360320", kill_on_drop: false }`
[INFO] [stdout] 2698ccb77aea2ac38ace4c56c4d8d87480b98f86a9adff0a6f92373f96360320