[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 try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feclarke%2Fkomplexity" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eclarke/komplexity on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.6.2
[INFO] [stderr]   Downloaded bytecount v0.1.7
[INFO] [stderr]   Downloaded bio v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 32f9faf72d472a19ed737cd061e5792f141465a7f643e69751399e7d45f33100
[INFO] running `Command { std: "docker" "start" "-a" "32f9faf72d472a19ed737cd061e5792f141465a7f643e69751399e7d45f33100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f9faf72d472a19ed737cd061e5792f141465a7f643e69751399e7d45f33100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f9faf72d472a19ed737cd061e5792f141465a7f643e69751399e7d45f33100", kill_on_drop: false }`
[INFO] [stdout] 32f9faf72d472a19ed737cd061e5792f141465a7f643e69751399e7d45f33100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b383b0d33c65f686d00c0c534569bbfbaa13590b10fbc59b16b187eaa7b42452
[INFO] running `Command { std: "docker" "start" "-a" "b383b0d33c65f686d00c0c534569bbfbaa13590b10fbc59b16b187eaa7b42452", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking bytecount v0.1.7
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking quick-error v1.2.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking itertools v0.6.2
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking ndarray v0.9.1
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.11
[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: 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: 2 warnings emitted
[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 20.98s
[INFO] running `Command { std: "docker" "inspect" "b383b0d33c65f686d00c0c534569bbfbaa13590b10fbc59b16b187eaa7b42452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b383b0d33c65f686d00c0c534569bbfbaa13590b10fbc59b16b187eaa7b42452", kill_on_drop: false }`
[INFO] [stdout] b383b0d33c65f686d00c0c534569bbfbaa13590b10fbc59b16b187eaa7b42452