[INFO] fetching crate rustynuc 0.3.0...
[INFO] testing rustynuc-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rustynuc 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rustynuc 0.3.0
[INFO] finished tweaking crates.io crate rustynuc 0.3.0
[INFO] tweaked toml for crates.io crate rustynuc 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustynuc 0.3.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustynuc 0.3.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3cf6ba72a3b076fb7e68099c142c98625ecdedd3496a5fdc8227d9f44473188
[INFO] running `Command { std: "docker" "start" "-a" "d3cf6ba72a3b076fb7e68099c142c98625ecdedd3496a5fdc8227d9f44473188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3cf6ba72a3b076fb7e68099c142c98625ecdedd3496a5fdc8227d9f44473188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cf6ba72a3b076fb7e68099c142c98625ecdedd3496a5fdc8227d9f44473188", kill_on_drop: false }`
[INFO] [stdout] d3cf6ba72a3b076fb7e68099c142c98625ecdedd3496a5fdc8227d9f44473188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 896de94132898fe2515aadac197f20460d0464032f66594120d8b6e69ad72f4d
[INFO] running `Command { std: "docker" "start" "-a" "896de94132898fe2515aadac197f20460d0464032f66594120d8b6e69ad72f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling bio v0.30.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling statrs v0.12.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling fishers_exact v1.0.1
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling hts-sys v1.10.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling niffler v2.2.0
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bio-types v0.7.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling multimap v0.6.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling rust-htslib v0.31.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling rustynuc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `NucleotideCount` is never constructed
[INFO] [stdout]   --> src/alignment.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct NucleotideCount(pub HashMap<u8, u32>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/alignment.rs:2:20
[INFO] [stdout]    |
[INFO] [stdout]  2 | #![deny(dead_code, unused)]
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustynuc` (bin "rustynuc") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "896de94132898fe2515aadac197f20460d0464032f66594120d8b6e69ad72f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896de94132898fe2515aadac197f20460d0464032f66594120d8b6e69ad72f4d", kill_on_drop: false }`
[INFO] [stdout] 896de94132898fe2515aadac197f20460d0464032f66594120d8b6e69ad72f4d