[INFO] fetching crate lib_algorithms 0.0.9...
[INFO] testing lib_algorithms-0.0.9 against 1.90.0 for beta-1.91-3
[INFO] extracting crate lib_algorithms 0.0.9 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate lib_algorithms 0.0.9
[INFO] finished tweaking crates.io crate lib_algorithms 0.0.9
[INFO] tweaked toml for crates.io crate lib_algorithms 0.0.9 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_algorithms 0.0.9 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lib_algorithms 0.0.9 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.4.1
[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 720e3245f71c2db69aae10d2b9ff62e04b41ac6a77e12f0a8c1ed98552838fd5
[INFO] running `Command { std: "docker" "start" "-a" "720e3245f71c2db69aae10d2b9ff62e04b41ac6a77e12f0a8c1ed98552838fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "720e3245f71c2db69aae10d2b9ff62e04b41ac6a77e12f0a8c1ed98552838fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720e3245f71c2db69aae10d2b9ff62e04b41ac6a77e12f0a8c1ed98552838fd5", kill_on_drop: false }`
[INFO] [stdout] 720e3245f71c2db69aae10d2b9ff62e04b41ac6a77e12f0a8c1ed98552838fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6626aec9e010b0f801525f5a5e4aa1cc163c218651323fc558cc7281f8f77487
[INFO] running `Command { std: "docker" "start" "-a" "6626aec9e010b0f801525f5a5e4aa1cc163c218651323fc558cc7281f8f77487", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling lib_algorithms v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lib_algorithms as lib`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lib_algorithms as lib;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "6626aec9e010b0f801525f5a5e4aa1cc163c218651323fc558cc7281f8f77487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6626aec9e010b0f801525f5a5e4aa1cc163c218651323fc558cc7281f8f77487", kill_on_drop: false }`
[INFO] [stdout] 6626aec9e010b0f801525f5a5e4aa1cc163c218651323fc558cc7281f8f77487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aa99b01109b4da145863869bb8f6c4c247ecdf023b39432d590b024641dac28
[INFO] running `Command { std: "docker" "start" "-a" "4aa99b01109b4da145863869bb8f6c4c247ecdf023b39432d590b024641dac28", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib_algorithms v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lib_algorithms as lib`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lib_algorithms as lib;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lib_algorithms as lib`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lib_algorithms as lib;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "4aa99b01109b4da145863869bb8f6c4c247ecdf023b39432d590b024641dac28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa99b01109b4da145863869bb8f6c4c247ecdf023b39432d590b024641dac28", kill_on_drop: false }`
[INFO] [stdout] 4aa99b01109b4da145863869bb8f6c4c247ecdf023b39432d590b024641dac28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d2362365d6132f8b814a63bc20d7a225e8cbc3d5006a0e756efcb8dd8b2367d
[INFO] running `Command { std: "docker" "start" "-a" "2d2362365d6132f8b814a63bc20d7a225e8cbc3d5006a0e756efcb8dd8b2367d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `lib_algorithms as lib`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use lib_algorithms as lib;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lib_algorithms` (bin "lib_algorithms") generated 1 warning (run `cargo fix --bin "lib_algorithms"` to apply 1 suggestion)
[INFO] [stderr] warning: `lib_algorithms` (bin "lib_algorithms" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib_algorithms-a13af50631063e4d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lib_algorithms-09ca09b23b4b0772)
[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] [stderr]      Running tests/test_mix.rs (/opt/rustwide/target/debug/deps/test_mix-efd68a0a618aef18)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_fizz_buzz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_nat.rs (/opt/rustwide/target/debug/deps/test_nat-8f259926ad0a286b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_big ... ok
[INFO] [stdout] test test_bin ... ok
[INFO] [stdout] test test_divisors ... ok
[INFO] [stdout] test test_mul ... ok
[INFO] [stdout] test test_fact ... ok
[INFO] [stdout] test test_fib ... ok
[INFO] [stdout] test test_pow ... ok
[INFO] [stdout] test test_pythag ... ok
[INFO] [stderr]      Running tests/test_primes.rs (/opt/rustwide/target/debug/deps/test_primes-cc2f59cef1fe0434)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_list ... ok
[INFO] [stdout] test test_is_prime ... ok
[INFO] [stdout] test test_factors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_sort.rs (/opt/rustwide/target/debug/deps/test_sort-fe0d65bff970f2c3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lib_algorithms
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_qsort ... ok
[INFO] [stdout] test test_ssort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "2d2362365d6132f8b814a63bc20d7a225e8cbc3d5006a0e756efcb8dd8b2367d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2362365d6132f8b814a63bc20d7a225e8cbc3d5006a0e756efcb8dd8b2367d", kill_on_drop: false }`
[INFO] [stdout] 2d2362365d6132f8b814a63bc20d7a225e8cbc3d5006a0e756efcb8dd8b2367d