[INFO] cloning repository https://github.com/sndrtj/fastq-count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sndrtj/fastq-count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndrtj%2Ffastq-count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndrtj%2Ffastq-count'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8aa8cb4b010a5bc0ec99732c0e3ee2a0cac7fd7b
[INFO] checking sndrtj/fastq-count against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndrtj%2Ffastq-count" "/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/sndrtj/fastq-count on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sndrtj/fastq-count
[INFO] finished tweaking git repo https://github.com/sndrtj/fastq-count
[INFO] tweaked toml for git repo https://github.com/sndrtj/fastq-count written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sndrtj/fastq-count already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] fd30b19114b070e55f0ac8832a9d0da73abe9b4ca5185820c66d3659bd0a2d84
[INFO] running `Command { std: "docker" "start" "-a" "fd30b19114b070e55f0ac8832a9d0da73abe9b4ca5185820c66d3659bd0a2d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd30b19114b070e55f0ac8832a9d0da73abe9b4ca5185820c66d3659bd0a2d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd30b19114b070e55f0ac8832a9d0da73abe9b4ca5185820c66d3659bd0a2d84", kill_on_drop: false }`
[INFO] [stdout] fd30b19114b070e55f0ac8832a9d0da73abe9b4ca5185820c66d3659bd0a2d84
[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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a29d1153cd5dd782e27b3208ccb4024f371b0702deffae12e529a26860a52cf
[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" "1a29d1153cd5dd782e27b3208ccb4024f371b0702deffae12e529a26860a52cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling bio v0.25.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling bv v0.10.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking statrs v0.9.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking bio-types v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking fastq-count v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_fastq_reader(path: &String) -> Box<::std::io::Read> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Read)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_fastq_reader(path: &String) -> Box<::std::io::Read> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Read)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.13s
[INFO] running `Command { std: "docker" "inspect" "1a29d1153cd5dd782e27b3208ccb4024f371b0702deffae12e529a26860a52cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a29d1153cd5dd782e27b3208ccb4024f371b0702deffae12e529a26860a52cf", kill_on_drop: false }`
[INFO] [stdout] 1a29d1153cd5dd782e27b3208ccb4024f371b0702deffae12e529a26860a52cf