[INFO] cloning repository https://github.com/ckampfe/smawk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckampfe/smawk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fsmawk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fsmawk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d15753b02e0af4c86451da3c4c20834a438c4a09
[INFO] checking ckampfe/smawk against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fsmawk" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckampfe/smawk on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckampfe/smawk
[INFO] finished tweaking git repo https://github.com/ckampfe/smawk
[INFO] tweaked toml for git repo https://github.com/ckampfe/smawk written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ckampfe/smawk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9d748ec287a70f2269cd1a1db07f8b37a08181973ae649a784b05999ae13f2f
[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" "c9d748ec287a70f2269cd1a1db07f8b37a08181973ae649a784b05999ae13f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d748ec287a70f2269cd1a1db07f8b37a08181973ae649a784b05999ae13f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d748ec287a70f2269cd1a1db07f8b37a08181973ae649a784b05999ae13f2f", kill_on_drop: false }`
[INFO] [stdout] c9d748ec287a70f2269cd1a1db07f8b37a08181973ae649a784b05999ae13f2f
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f33b8b6910f8a27c67983896b41b435b05f090756e437e4222f016a322df4c37
[INFO] running `Command { std: "docker" "start" "-a" "f33b8b6910f8a27c67983896b41b435b05f090756e437e4222f016a322df4c37", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling serde v1.0.121
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking smawk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]    --> src/lib.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     Expr::Assignment { lhs, rhs } => {}
[INFO] [stdout]     |                                        ^^^ help: try ignoring the field: `lhs: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/lib.rs:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     Expr::Assignment { lhs, rhs } => {}
[INFO] [stdout]     |                                             ^^^ help: try ignoring the field: `rhs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `program`
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     program: &'r Program,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `whitespace`
[INFO] [stdout]    --> src/lib.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 | fn whitespace(s: &str) -> IResult<&str, (), VE> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]    --> src/lib.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     Expr::Assignment { lhs, rhs } => {}
[INFO] [stdout]     |                                        ^^^ help: try ignoring the field: `lhs: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/lib.rs:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     Expr::Assignment { lhs, rhs } => {}
[INFO] [stdout]     |                                             ^^^ help: try ignoring the field: `rhs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `program`
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     program: &'r Program,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `whitespace`
[INFO] [stdout]    --> src/lib.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 | fn whitespace(s: &str) -> IResult<&str, (), VE> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.18s
[INFO] running `Command { std: "docker" "inspect" "f33b8b6910f8a27c67983896b41b435b05f090756e437e4222f016a322df4c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33b8b6910f8a27c67983896b41b435b05f090756e437e4222f016a322df4c37", kill_on_drop: false }`
[INFO] [stdout] f33b8b6910f8a27c67983896b41b435b05f090756e437e4222f016a322df4c37