[INFO] cloning repository https://github.com/AlephNotation/dsfs-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlephNotation/dsfs-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlephNotation%2Fdsfs-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlephNotation%2Fdsfs-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32bea73d91db1160d7bb46ec53f876455d211da3
[INFO] testing AlephNotation/dsfs-rust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlephNotation%2Fdsfs-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlephNotation/dsfs-rust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlephNotation/dsfs-rust
[INFO] finished tweaking git repo https://github.com/AlephNotation/dsfs-rust
[INFO] tweaked toml for git repo https://github.com/AlephNotation/dsfs-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/AlephNotation/dsfs-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71d9e0c1f40d8f7f46a9f4a7e820454bba750084564df20c0fe1543656b93f10
[INFO] running `Command { std: "docker" "start" "-a" "71d9e0c1f40d8f7f46a9f4a7e820454bba750084564df20c0fe1543656b93f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71d9e0c1f40d8f7f46a9f4a7e820454bba750084564df20c0fe1543656b93f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d9e0c1f40d8f7f46a9f4a7e820454bba750084564df20c0fe1543656b93f10", kill_on_drop: false }`
[INFO] [stdout] 71d9e0c1f40d8f7f46a9f4a7e820454bba750084564df20c0fe1543656b93f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ccd81026f9cd76442b313f22ee74abdb0f736a0b62905db0030a0b2496eab3
[INFO] running `Command { std: "docker" "start" "-a" "b0ccd81026f9cd76442b313f22ee74abdb0f736a0b62905db0030a0b2496eab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling dsfs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/linear_algebra.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{Float, Num};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "b0ccd81026f9cd76442b313f22ee74abdb0f736a0b62905db0030a0b2496eab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ccd81026f9cd76442b313f22ee74abdb0f736a0b62905db0030a0b2496eab3", kill_on_drop: false }`
[INFO] [stdout] b0ccd81026f9cd76442b313f22ee74abdb0f736a0b62905db0030a0b2496eab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a76f0765a1b64c46c0b47531d165687064c6d94ab693d46308e7f7f80c26c182
[INFO] running `Command { std: "docker" "start" "-a" "a76f0765a1b64c46c0b47531d165687064c6d94ab693d46308e7f7f80c26c182", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsfs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/linear_algebra.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{Float, Num};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/linear_algebra.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{Float, Num};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "a76f0765a1b64c46c0b47531d165687064c6d94ab693d46308e7f7f80c26c182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76f0765a1b64c46c0b47531d165687064c6d94ab693d46308e7f7f80c26c182", kill_on_drop: false }`
[INFO] [stdout] a76f0765a1b64c46c0b47531d165687064c6d94ab693d46308e7f7f80c26c182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 333522a5725e94278b26cf336f30efea2770b14b47ef7e68dfb99e57838d27f0
[INFO] running `Command { std: "docker" "start" "-a" "333522a5725e94278b26cf336f30efea2770b14b47ef7e68dfb99e57838d27f0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]  --> src/linear_algebra.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num::{Float, Num};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dsfs-rust` (lib) generated 1 warning
[INFO] [stderr] warning: `dsfs-rust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dsfs_rust-ac993a78d9892906)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test linear_algebra::tests::test_add ... ok
[INFO] [stdout] test linear_algebra::tests::test_subtract ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dsfs-rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "333522a5725e94278b26cf336f30efea2770b14b47ef7e68dfb99e57838d27f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333522a5725e94278b26cf336f30efea2770b14b47ef7e68dfb99e57838d27f0", kill_on_drop: false }`
[INFO] [stdout] 333522a5725e94278b26cf336f30efea2770b14b47ef7e68dfb99e57838d27f0