[INFO] cloning repository https://github.com/jbteves/rsdiff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbteves/rsdiff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbteves%2Frsdiff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbteves%2Frsdiff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cfa34ddda08429ab715b43c8660ab0f1039d028
[INFO] checking jbteves/rsdiff against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbteves%2Frsdiff" "/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/jbteves/rsdiff on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbteves/rsdiff
[INFO] finished tweaking git repo https://github.com/jbteves/rsdiff
[INFO] tweaked toml for git repo https://github.com/jbteves/rsdiff written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jbteves/rsdiff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 273cf2d732f45c6c0ca1bf6880a9ee0c14399080dad201a4f978990271233ff7
[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" "273cf2d732f45c6c0ca1bf6880a9ee0c14399080dad201a4f978990271233ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "273cf2d732f45c6c0ca1bf6880a9ee0c14399080dad201a4f978990271233ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273cf2d732f45c6c0ca1bf6880a9ee0c14399080dad201a4f978990271233ff7", kill_on_drop: false }`
[INFO] [stdout] 273cf2d732f45c6c0ca1bf6880a9ee0c14399080dad201a4f978990271233ff7
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ff0e277998b747ca202592200aea3a664489499d3d4bd567cbf28197ce9f401f
[INFO] running `Command { std: "docker" "start" "-a" "ff0e277998b747ca202592200aea3a664489499d3d4bd567cbf28197ce9f401f", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking safe-transmute v0.11.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking byteordered v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking nifti v0.14.0
[INFO] [stderr]     Checking rsdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TOLERANCE`
[INFO] [stdout]    --> src/lib.rs:469:5
[INFO] [stdout]     |
[INFO] [stdout] 469 |     const TOLERANCE: f32 = 1e-16;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TOLERANCE`
[INFO] [stdout]    --> src/lib.rs:513:5
[INFO] [stdout]     |
[INFO] [stdout] 513 |     const TOLERANCE: f32 = 1e-16;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TOLERANCE`
[INFO] [stdout]    --> src/lib.rs:469:5
[INFO] [stdout]     |
[INFO] [stdout] 469 |     const TOLERANCE: f32 = 1e-16;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TOLERANCE`
[INFO] [stdout]    --> src/lib.rs:513:5
[INFO] [stdout]     |
[INFO] [stdout] 513 |     const TOLERANCE: f32 = 1e-16;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.70s
[INFO] running `Command { std: "docker" "inspect" "ff0e277998b747ca202592200aea3a664489499d3d4bd567cbf28197ce9f401f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0e277998b747ca202592200aea3a664489499d3d4bd567cbf28197ce9f401f", kill_on_drop: false }`
[INFO] [stdout] ff0e277998b747ca202592200aea3a664489499d3d4bd567cbf28197ce9f401f