[INFO] fetching crate seq_io 0.4.0-alpha.0...
[INFO] checking seq_io-0.4.0-alpha.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate seq_io 0.4.0-alpha.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate seq_io 0.4.0-alpha.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seq_io 0.4.0-alpha.0
[INFO] finished tweaking crates.io crate seq_io 0.4.0-alpha.0
[INFO] tweaked toml for crates.io crate seq_io 0.4.0-alpha.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23be4e0827d1aed3436e55a7d00e562a4375d6def7c08f8a67e15abeac1db9a1
[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" "23be4e0827d1aed3436e55a7d00e562a4375d6def7c08f8a67e15abeac1db9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23be4e0827d1aed3436e55a7d00e562a4375d6def7c08f8a67e15abeac1db9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23be4e0827d1aed3436e55a7d00e562a4375d6def7c08f8a67e15abeac1db9a1", kill_on_drop: false }`
[INFO] [stdout] 23be4e0827d1aed3436e55a7d00e562a4375d6def7c08f8a67e15abeac1db9a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac7d23f7d8624ee6abd674102e9d476d898bf870345e290d73c3b4a93fbbfd38
[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" "ac7d23f7d8624ee6abd674102e9d476d898bf870345e290d73c3b4a93fbbfd38", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling bio v0.32.0
[INFO] [stderr]     Checking triple_accel v0.3.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_isaac v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]     Checking enum-map v0.6.4
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking bio-types v0.7.0
[INFO] [stderr]     Checking multimap v0.8.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking seq_io v0.4.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking fastq v0.6.0
[INFO] [stdout] warning: constant is never used: `FASTA_SINGLE`
[INFO] [stdout]    --> tests/fasta_common/seq.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | / pub const FASTA_SINGLE: &[u8] = b"
[INFO] [stdout] 117 | |
[INFO] [stdout] 118 | | >id desc
[INFO] [stdout] 119 | | ACCGTAGGCTCCGTAGGCTG\r
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | |
[INFO] [stdout] 127 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "ac7d23f7d8624ee6abd674102e9d476d898bf870345e290d73c3b4a93fbbfd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7d23f7d8624ee6abd674102e9d476d898bf870345e290d73c3b4a93fbbfd38", kill_on_drop: false }`
[INFO] [stdout] ac7d23f7d8624ee6abd674102e9d476d898bf870345e290d73c3b4a93fbbfd38