[INFO] cloning repository https://github.com/eclarke/komplexity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eclarke/komplexity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feclarke%2Fkomplexity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feclarke%2Fkomplexity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d39bff9e64c50664604c949e94723faa84347859
[INFO] checking eclarke/komplexity against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feclarke%2Fkomplexity" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eclarke/komplexity on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eclarke/komplexity
[INFO] finished tweaking git repo https://github.com/eclarke/komplexity
[INFO] tweaked toml for git repo https://github.com/eclarke/komplexity written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/eclarke/komplexity already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ecf1ebe5ba95866752b9cca3d8bc2ec8b3997ce7fc76774fc628f79b9a0c762
[INFO] running `Command { std: "docker" "start" "-a" "5ecf1ebe5ba95866752b9cca3d8bc2ec8b3997ce7fc76774fc628f79b9a0c762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ecf1ebe5ba95866752b9cca3d8bc2ec8b3997ce7fc76774fc628f79b9a0c762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecf1ebe5ba95866752b9cca3d8bc2ec8b3997ce7fc76774fc628f79b9a0c762", kill_on_drop: false }`
[INFO] [stdout] 5ecf1ebe5ba95866752b9cca3d8bc2ec8b3997ce7fc76774fc628f79b9a0c762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc1d147ecb50638c193f5cc4633341286ba18a742e2d3cc26bf746afc77df96b
[INFO] running `Command { std: "docker" "start" "-a" "fc1d147ecb50638c193f5cc4633341286ba18a742e2d3cc26bf746afc77df96b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking quick-error v1.2.0
[INFO] [stderr]     Checking bytecount v0.1.7
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking itertools v0.6.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bio v0.14.2
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking komplexity v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/main.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 | /             records
[INFO] [stdout] 160 | |                 .map(|r| r.expect("Error reading FASTA record"))
[INFO] [stdout] 161 | |                 .map(|r| {
[INFO] [stdout] 162 | |                     let id = r.id();
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |                 })
[INFO] [stdout] 185 | |                 .collect::<Vec<()>>();
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/main.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 | /             records
[INFO] [stdout] 191 | |                 .map(|r| r.expect("Error reading FASTQ record"))
[INFO] [stdout] 192 | |                 .map(|r| {
[INFO] [stdout] 193 | |                     let id = r.id();
[INFO] [stdout] ...   |
[INFO] [stdout] 214 | |                 })
[INFO] [stdout] 215 | |                 .collect::<Vec<()>>();
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/main.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 | /             records
[INFO] [stdout] 160 | |                 .map(|r| r.expect("Error reading FASTA record"))
[INFO] [stdout] 161 | |                 .map(|r| {
[INFO] [stdout] 162 | |                     let id = r.id();
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |                 })
[INFO] [stdout] 185 | |                 .collect::<Vec<()>>();
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]    --> src/main.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 | /             records
[INFO] [stdout] 191 | |                 .map(|r| r.expect("Error reading FASTQ record"))
[INFO] [stdout] 192 | |                 .map(|r| {
[INFO] [stdout] 193 | |                     let id = r.id();
[INFO] [stdout] ...   |
[INFO] [stdout] 214 | |                 })
[INFO] [stdout] 215 | |                 .collect::<Vec<()>>();
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `Command { std: "docker" "inspect" "fc1d147ecb50638c193f5cc4633341286ba18a742e2d3cc26bf746afc77df96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1d147ecb50638c193f5cc4633341286ba18a742e2d3cc26bf746afc77df96b", kill_on_drop: false }`
[INFO] [stdout] fc1d147ecb50638c193f5cc4633341286ba18a742e2d3cc26bf746afc77df96b