[INFO] cloning repository https://github.com/kesnar/kID3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kesnar/kID3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkesnar%2FkID3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkesnar%2FkID3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5274eb57bcd9b4de3fe37e9ecedbcefa33aaaf66
[INFO] checking kesnar/kID3 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkesnar%2FkID3" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kesnar/kID3 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kesnar/kID3
[INFO] finished tweaking git repo https://github.com/kesnar/kID3
[INFO] tweaked toml for git repo https://github.com/kesnar/kID3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kesnar/kID3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded ndarray-csv v0.4.1
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded csv v1.1.4
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2856383354abfebd968d3b6fd42e46b5f972f390966033689c715c5136b27c5
[INFO] running `Command { std: "docker" "start" "-a" "a2856383354abfebd968d3b6fd42e46b5f972f390966033689c715c5136b27c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2856383354abfebd968d3b6fd42e46b5f972f390966033689c715c5136b27c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2856383354abfebd968d3b6fd42e46b5f972f390966033689c715c5136b27c5", kill_on_drop: false }`
[INFO] [stdout] a2856383354abfebd968d3b6fd42e46b5f972f390966033689c715c5136b27c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7d5f9f1c1a630e34521fa3e8966ea28b0524b4f500fa9f308337709d2f47b9d
[INFO] running `Command { std: "docker" "start" "-a" "a7d5f9f1c1a630e34521fa3e8966ea28b0524b4f500fa9f308337709d2f47b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking ndarray-csv v0.4.1
[INFO] [stderr]     Checking id3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "a7d5f9f1c1a630e34521fa3e8966ea28b0524b4f500fa9f308337709d2f47b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d5f9f1c1a630e34521fa3e8966ea28b0524b4f500fa9f308337709d2f47b9d", kill_on_drop: false }`
[INFO] [stdout] a7d5f9f1c1a630e34521fa3e8966ea28b0524b4f500fa9f308337709d2f47b9d