[INFO] cloning repository https://github.com/hvze/pill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hvze/pill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhvze%2Fpill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhvze%2Fpill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d12f3618cb0bf44a7293b33fad8e34dce4a8885
[INFO] checking hvze/pill against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhvze%2Fpill" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hvze/pill on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hvze/pill
[INFO] finished tweaking git repo https://github.com/hvze/pill
[INFO] tweaked toml for git repo https://github.com/hvze/pill written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hvze/pill already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c51c3f8fea0512754f85d571413fa81261d7b509c780320fb3cfb1cd8f68116a
[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" "c51c3f8fea0512754f85d571413fa81261d7b509c780320fb3cfb1cd8f68116a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c51c3f8fea0512754f85d571413fa81261d7b509c780320fb3cfb1cd8f68116a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51c3f8fea0512754f85d571413fa81261d7b509c780320fb3cfb1cd8f68116a", kill_on_drop: false }`
[INFO] [stdout] c51c3f8fea0512754f85d571413fa81261d7b509c780320fb3cfb1cd8f68116a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bb47e2a2ef2d4e75094684e631bb7b15146f7ec356ce39de93ed17a10c1c4be
[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" "1bb47e2a2ef2d4e75094684e631bb7b15146f7ec356ce39de93ed17a10c1c4be", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking enum-set v0.0.7
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling filetime v0.1.14
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]    Compiling tar v0.4.13
[INFO] [stderr]     Checking clap v2.25.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking gag v0.1.9
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr]    Compiling libpcre-sys v0.2.2
[INFO] [stderr]     Checking pcre v0.2.3
[INFO] [stderr]     Checking pill v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/interpreter.rs:478:53
[INFO] [stdout]     |
[INFO] [stdout] 478 |             let error_rh = rh.new_by(-(nls as i32), ((-rh.column) + code.len() as i32));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     let err_tail = repeat((xstr.len() as i32 - head.column), '-');
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/interpreter.rs:478:53
[INFO] [stdout]     |
[INFO] [stdout] 478 |             let error_rh = rh.new_by(-(nls as i32), ((-rh.column) + code.len() as i32));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     let err_tail = repeat((xstr.len() as i32 - head.column), '-');
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_reading_arguments`
[INFO] [stdout]    --> src/interpreter.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         is_reading_arguments: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_reading_codes`
[INFO] [stdout]    --> src/interpreter.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         is_reading_codes: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/interpreter.rs:779:17
[INFO] [stdout]     |
[INFO] [stdout] 779 |                 self.scan_instructions(true);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_reading_arguments`
[INFO] [stdout]    --> src/interpreter.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         is_reading_arguments: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_reading_codes`
[INFO] [stdout]    --> src/interpreter.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         is_reading_codes: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/interpreter.rs:779:17
[INFO] [stdout]     |
[INFO] [stdout] 779 |                 self.scan_instructions(true);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.67s
[INFO] running `Command { std: "docker" "inspect" "1bb47e2a2ef2d4e75094684e631bb7b15146f7ec356ce39de93ed17a10c1c4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb47e2a2ef2d4e75094684e631bb7b15146f7ec356ce39de93ed17a10c1c4be", kill_on_drop: false }`
[INFO] [stdout] 1bb47e2a2ef2d4e75094684e631bb7b15146f7ec356ce39de93ed17a10c1c4be