[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 master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fsmawk" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckampfe/smawk on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 1624a88423ff53a2b80d94863ad0dd401ec8343936bc23baf06c3daa0ffad16a
[INFO] running `Command { std: "docker" "start" "-a" "1624a88423ff53a2b80d94863ad0dd401ec8343936bc23baf06c3daa0ffad16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1624a88423ff53a2b80d94863ad0dd401ec8343936bc23baf06c3daa0ffad16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1624a88423ff53a2b80d94863ad0dd401ec8343936bc23baf06c3daa0ffad16a", kill_on_drop: false }`
[INFO] [stdout] 1624a88423ff53a2b80d94863ad0dd401ec8343936bc23baf06c3daa0ffad16a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b41b18b47f67cacde6fb3c3e78c06d5d5415a05e4c6eb6ba59e8fa551f99e3e8
[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" "b41b18b47f67cacde6fb3c3e78c06d5d5415a05e4c6eb6ba59e8fa551f99e3e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.121
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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: 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: 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 46.93s
[INFO] running `Command { std: "docker" "inspect" "b41b18b47f67cacde6fb3c3e78c06d5d5415a05e4c6eb6ba59e8fa551f99e3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41b18b47f67cacde6fb3c3e78c06d5d5415a05e4c6eb6ba59e8fa551f99e3e8", kill_on_drop: false }`
[INFO] [stdout] b41b18b47f67cacde6fb3c3e78c06d5d5415a05e4c6eb6ba59e8fa551f99e3e8