[INFO] cloning repository https://github.com/zkxs/nucleotide-subsequence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zkxs/nucleotide-subsequence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkxs%2Fnucleotide-subsequence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkxs%2Fnucleotide-subsequence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f513914db2469ac6b8d472257b829abb61b570a
[INFO] testing zkxs/nucleotide-subsequence against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzkxs%2Fnucleotide-subsequence" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zkxs/nucleotide-subsequence
[INFO] finished tweaking git repo https://github.com/zkxs/nucleotide-subsequence
[INFO] tweaked toml for git repo https://github.com/zkxs/nucleotide-subsequence written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zkxs/nucleotide-subsequence on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zkxs/nucleotide-subsequence 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fd51d8cbbd534341f47d42b3aeb368f76d222a718b5986416d7a7407fb0833f
[INFO] running `Command { std: "docker" "start" "-a" "9fd51d8cbbd534341f47d42b3aeb368f76d222a718b5986416d7a7407fb0833f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fd51d8cbbd534341f47d42b3aeb368f76d222a718b5986416d7a7407fb0833f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd51d8cbbd534341f47d42b3aeb368f76d222a718b5986416d7a7407fb0833f", kill_on_drop: false }`
[INFO] [stdout] 9fd51d8cbbd534341f47d42b3aeb368f76d222a718b5986416d7a7407fb0833f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 75eee54a729cb55a30a33407c1b60917bd3972112e792f2927e4c7537ae26fbb
[INFO] running `Command { std: "docker" "start" "-a" "75eee54a729cb55a30a33407c1b60917bd3972112e792f2927e4c7537ae26fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling nucleotide-subsequence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             mem::forget(slice);
[INFO] [stdout]    |             ^^^^^^^^^^^^-----^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         argument has type `&[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 99 -             mem::forget(slice);
[INFO] [stdout] 99 +             let _ = slice;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.26s
[INFO] running `Command { std: "docker" "inspect" "75eee54a729cb55a30a33407c1b60917bd3972112e792f2927e4c7537ae26fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75eee54a729cb55a30a33407c1b60917bd3972112e792f2927e4c7537ae26fbb", kill_on_drop: false }`
[INFO] [stdout] 75eee54a729cb55a30a33407c1b60917bd3972112e792f2927e4c7537ae26fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d1564be596f5ded84cfc500998a4d18ce1c64406917119d43844378fa93b9585
[INFO] running `Command { std: "docker" "start" "-a" "d1564be596f5ded84cfc500998a4d18ce1c64406917119d43844378fa93b9585", kill_on_drop: false }`
[INFO] [stderr]    Compiling nucleotide-subsequence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             mem::forget(slice);
[INFO] [stdout]    |             ^^^^^^^^^^^^-----^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         argument has type `&[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 99 -             mem::forget(slice);
[INFO] [stdout] 99 +             let _ = slice;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "d1564be596f5ded84cfc500998a4d18ce1c64406917119d43844378fa93b9585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1564be596f5ded84cfc500998a4d18ce1c64406917119d43844378fa93b9585", kill_on_drop: false }`
[INFO] [stdout] d1564be596f5ded84cfc500998a4d18ce1c64406917119d43844378fa93b9585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9e56e08f3f0e8a4c4f0f5ac8888505f59ef3303acc7bf8539ecc033d2a88604e
[INFO] running `Command { std: "docker" "start" "-a" "9e56e08f3f0e8a4c4f0f5ac8888505f59ef3303acc7bf8539ecc033d2a88604e", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:99:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 99 |             mem::forget(slice);
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |             ^^^^^^^^^^^^-----^
[INFO] [stdout] 
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         argument has type `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 99 -             mem::forget(slice);
[INFO] [stderr] 99 +             let _ = slice;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `nucleotide-subsequence` (bin "nucleotide-subsequence" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/nucleotide_subsequence-85a794636b4bc675)
[INFO] running `Command { std: "docker" "inspect" "9e56e08f3f0e8a4c4f0f5ac8888505f59ef3303acc7bf8539ecc033d2a88604e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e56e08f3f0e8a4c4f0f5ac8888505f59ef3303acc7bf8539ecc033d2a88604e", kill_on_drop: false }`
[INFO] [stdout] 9e56e08f3f0e8a4c4f0f5ac8888505f59ef3303acc7bf8539ecc033d2a88604e