[INFO] updating cached repository https://github.com/modeverv/RustLeapYear20190604 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 90884dd23ceca636389559eed6b42025655f147c [INFO] checking modeverv/RustLeapYear20190604 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRustLeapYear20190604" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/modeverv/RustLeapYear20190604 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/modeverv/RustLeapYear20190604 [INFO] finished tweaking git repo https://github.com/modeverv/RustLeapYear20190604 [INFO] tweaked toml for git repo https://github.com/modeverv/RustLeapYear20190604 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/modeverv/RustLeapYear20190604 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6d41f1f7afc8804eaa0c79133f62a1695e48154aaa4036f852d3c0c64e11049d [INFO] running `"docker" "start" "-a" "6d41f1f7afc8804eaa0c79133f62a1695e48154aaa4036f852d3c0c64e11049d"` [INFO] [stderr] Checking leap-year20190604 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let a = "aaaaaaee"; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `b` is assigned to, but never used [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let mut b = "aefeae"; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_b` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | b = "ccccc"; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let a = 1; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let a = 1; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ans3` [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let ans3 = 70.0 + 8.9; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_ans3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mm` [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mm = match val { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_mm` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `string` [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | let string = match unknown { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_string` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | let m = match string { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ten` [INFO] [stderr] --> src/main.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | let ten = loop { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ten` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `plus_one` [INFO] [stderr] --> src/main.rs:117:9 [INFO] [stderr] | [INFO] [stderr] 117 | let plus_one = |x: u32| { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_plus_one` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `plus_one` [INFO] [stderr] --> src/main.rs:121:9 [INFO] [stderr] | [INFO] [stderr] 121 | let plus_one = move |x:u32| { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_plus_one` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SECRET` [INFO] [stderr] --> src/main.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | const SECRET: i32 = 111; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `STTC` [INFO] [stderr] --> src/main.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | static STTC:i32 = 222; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `echo` [INFO] [stderr] --> src/main.rs:143:5 [INFO] [stderr] | [INFO] [stderr] 143 | pub fn echo() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let a = "aaaaaaee"; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `b` is assigned to, but never used [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let mut b = "aefeae"; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_b` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | b = "ccccc"; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let a = 1; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let a = 1; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ans3` [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let ans3 = 70.0 + 8.9; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_ans3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mm` [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mm = match val { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_mm` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `string` [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | let string = match unknown { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_string` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | let m = match string { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ten` [INFO] [stderr] --> src/main.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | let ten = loop { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ten` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `plus_one` [INFO] [stderr] --> src/main.rs:117:9 [INFO] [stderr] | [INFO] [stderr] 117 | let plus_one = |x: u32| { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_plus_one` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `plus_one` [INFO] [stderr] --> src/main.rs:121:9 [INFO] [stderr] | [INFO] [stderr] 121 | let plus_one = move |x:u32| { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_plus_one` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `echo` [INFO] [stderr] --> src/main.rs:143:5 [INFO] [stderr] | [INFO] [stderr] 143 | pub fn echo() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "6d41f1f7afc8804eaa0c79133f62a1695e48154aaa4036f852d3c0c64e11049d"` [INFO] running `"docker" "rm" "-f" "6d41f1f7afc8804eaa0c79133f62a1695e48154aaa4036f852d3c0c64e11049d"` [INFO] [stdout] 6d41f1f7afc8804eaa0c79133f62a1695e48154aaa4036f852d3c0c64e11049d