[INFO] cloning repository https://github.com/keithyin/mm2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keithyin/mm2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Fmm2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Fmm2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cb96c24fb918d71e2f9bf111ef56ecf79665e3d
[INFO] checking keithyin/mm2 against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Fmm2" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keithyin/mm2 on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keithyin/mm2
[INFO] finished tweaking git repo https://github.com/keithyin/mm2
[INFO] tweaked toml for git repo https://github.com/keithyin/mm2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/keithyin/mm2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "d70f22d21bf3788a034bdb4d4cef587d436a11687eb9c4e7e3a9821e9dee61fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d70f22d21bf3788a034bdb4d4cef587d436a11687eb9c4e7e3a9821e9dee61fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70f22d21bf3788a034bdb4d4cef587d436a11687eb9c4e7e3a9821e9dee61fb", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "26de53302a861217413b28ecdeca397593a16b7b3649c472cf820f888e83eaf1", kill_on_drop: false }`
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[INFO] [stderr]     Checking csv v1.3.1
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[INFO] [stderr]     Checking rust-htslib v0.49.0
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[INFO] [stderr]     Checking mm2 v0.25.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `records`
[INFO] [stdout]    --> src/lib.rs:683:17
[INFO] [stdout]     |
[INFO] [stdout] 683 |         let mut records = vec![r1, r2, r3];
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_records`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:683:13
[INFO] [stdout]     |
[INFO] [stdout] 683 |         let mut records = vec![r1, r2, r3];
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aligner`
[INFO] [stdout]    --> src/lib.rs:704:17
[INFO] [stdout]     |
[INFO] [stdout] 704 |             let aligner = NoMemLeakAligner(aligner);
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_aligner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]     --> src/lib.rs:1053:13
[INFO] [stdout]      |
[INFO] [stdout] 1053 |         let seq = b"AANNNNNNNNNNNNNAAAAAAAAANNNNCCCGTTT";
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]    --> src/bin/gsmm2-aligned-metric.rs:499:13
[INFO] [stdout]     |
[INFO] [stdout] 499 | ...   let seq = b"GAGAGAAGAGATGTTCTACTGGTGTGCCGATGGTGGCGGATTAGTCCTCGCTCAATCTGGGGTCAGGCGGTGATGGTCTATTGCTATCAATTATACAACAATTAAACAACAACCGGCGA...
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]    --> src/bin/gsmm2-time-err.rs:547:13
[INFO] [stdout]     |
[INFO] [stdout] 547 | ...   let seq = b"GAGAGAAGAGATGTTCTACTGGTGTGCCGATGGTGGCGGATTAGTCCTCGCTCAATCTGGGGTCAGGCGGTGATGGTCTATTGCTATCAATTATACAACAATTAAACAACAACCGGCGA...
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 03s
[INFO] running `Command { std: "docker" "inspect" "26de53302a861217413b28ecdeca397593a16b7b3649c472cf820f888e83eaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26de53302a861217413b28ecdeca397593a16b7b3649c472cf820f888e83eaf1", kill_on_drop: false }`
[INFO] [stdout] 26de53302a861217413b28ecdeca397593a16b7b3649c472cf820f888e83eaf1