[INFO] cloning repository https://github.com/jgvt5/kbscheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgvt5/kbscheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgvt5%2Fkbscheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgvt5%2Fkbscheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41223cf842dbde4c8cdba19a2a3e516b739d3139
[INFO] checking jgvt5/kbscheme against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgvt5%2Fkbscheme" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgvt5/kbscheme on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgvt5/kbscheme
[INFO] finished tweaking git repo https://github.com/jgvt5/kbscheme
[INFO] tweaked toml for git repo https://github.com/jgvt5/kbscheme written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jgvt5/kbscheme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef4fcc858980791c6cffa0f0661405fffac47e4cb6002f399598513f8a1db60a
[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" "ef4fcc858980791c6cffa0f0661405fffac47e4cb6002f399598513f8a1db60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef4fcc858980791c6cffa0f0661405fffac47e4cb6002f399598513f8a1db60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4fcc858980791c6cffa0f0661405fffac47e4cb6002f399598513f8a1db60a", kill_on_drop: false }`
[INFO] [stdout] ef4fcc858980791c6cffa0f0661405fffac47e4cb6002f399598513f8a1db60a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99f270db19ac671f102f168b2d8d7db0124f084706c78909ad331dd40f540116
[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" "99f270db19ac671f102f168b2d8d7db0124f084706c78909ad331dd40f540116", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling nom v6.0.0
[INFO] [stderr]     Checking kbscheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `delimited`, `multispace0`, `preceded`, `separated_pair`, `take`
[INFO] [stdout]  --> src/parse.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |   bytes::complete::{tag, take},
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 7 |   character::complete::{digit1, multispace0, one_of},
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout] 8 |   combinator::{map, map_res, opt, value},
[INFO] [stdout] 9 |   sequence::{delimited, preceded, separated_pair},
[INFO] [stdout]   |              ^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `delimited`, `multispace0`, `preceded`, `separated_pair`, `take`
[INFO] [stdout]  --> src/parse.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |   bytes::complete::{tag, take},
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 7 |   character::complete::{digit1, multispace0, one_of},
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout] 8 |   combinator::{map, map_res, opt, value},
[INFO] [stdout] 9 |   sequence::{delimited, preceded, separated_pair},
[INFO] [stdout]   |              ^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]   --> src/parse.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |   IResult, Parser,
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Expr`
[INFO] [stdout]   --> src/parse.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Expr {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]   --> src/parse.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |   IResult, Parser,
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/parse.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |   Integer(i32),
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/parse.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Boolean(bool),
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/parse.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   Nil,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Expr`
[INFO] [stdout]   --> src/parse.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Expr {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `boolean`
[INFO] [stdout]   --> src/parse.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn boolean(input: &str) -> IResult<&str, bool> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.08s
[INFO] [stdout] warning: function is never used: `integer`
[INFO] [stdout]   --> src/parse.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn integer(input: &str) -> IResult<&str, i32> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `const_value`
[INFO] [stdout]   --> src/parse.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn const_value(input: &str) -> IResult<&str, Const> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99f270db19ac671f102f168b2d8d7db0124f084706c78909ad331dd40f540116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f270db19ac671f102f168b2d8d7db0124f084706c78909ad331dd40f540116", kill_on_drop: false }`
[INFO] [stdout] 99f270db19ac671f102f168b2d8d7db0124f084706c78909ad331dd40f540116