[INFO] fetching crate lib_algorithms 0.0.9...
[INFO] testing lib_algorithms-0.0.9 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate lib_algorithms 0.0.9 into /workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_algorithms 0.0.9 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75a0c92aa9e318a5e09460683b77bf39264ffde0c4d415516a81260f84923c2e
[INFO] running `Command { std: "docker" "start" "-a" "75a0c92aa9e318a5e09460683b77bf39264ffde0c4d415516a81260f84923c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a0c92aa9e318a5e09460683b77bf39264ffde0c4d415516a81260f84923c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a0c92aa9e318a5e09460683b77bf39264ffde0c4d415516a81260f84923c2e", kill_on_drop: false }`
[INFO] [stdout] 75a0c92aa9e318a5e09460683b77bf39264ffde0c4d415516a81260f84923c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e232eacf5bd8c58bb9880c181c5387fcc6cf925e32cb7b5c06ac2a7b8b5e1bc6
[INFO] running `Command { std: "docker" "start" "-a" "e232eacf5bd8c58bb9880c181c5387fcc6cf925e32cb7b5c06ac2a7b8b5e1bc6", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "e232eacf5bd8c58bb9880c181c5387fcc6cf925e32cb7b5c06ac2a7b8b5e1bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e232eacf5bd8c58bb9880c181c5387fcc6cf925e32cb7b5c06ac2a7b8b5e1bc6", kill_on_drop: false }`
[INFO] [stdout] e232eacf5bd8c58bb9880c181c5387fcc6cf925e32cb7b5c06ac2a7b8b5e1bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8184bfe9d1cd026498a47723ba255484f1c770decc92bacaedc604cbbf6f7ae
[INFO] running `Command { std: "docker" "start" "-a" "f8184bfe9d1cd026498a47723ba255484f1c770decc92bacaedc604cbbf6f7ae", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "f8184bfe9d1cd026498a47723ba255484f1c770decc92bacaedc604cbbf6f7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8184bfe9d1cd026498a47723ba255484f1c770decc92bacaedc604cbbf6f7ae", kill_on_drop: false }`
[INFO] [stdout] f8184bfe9d1cd026498a47723ba255484f1c770decc92bacaedc604cbbf6f7ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f23f4686594a3cc7e0a494dd4a3469292def53f9475fca33535a0cf2ba687445
[INFO] running `Command { std: "docker" "start" "-a" "f23f4686594a3cc7e0a494dd4a3469292def53f9475fca33535a0cf2ba687445", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lib_algorithms` (bin "lib_algorithms" test) generated 1 warning (run `cargo fix --bin "lib_algorithms" -p lib_algorithms --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `lib_algorithms` (bin "lib_algorithms") generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib_algorithms-a1785e195977e191)
[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-1b25ece5b7e1381e)
[INFO] [stderr]      Running tests/test_mix.rs (/opt/rustwide/target/debug/deps/test_mix-b215c2a12aa7af3b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_nat.rs (/opt/rustwide/target/debug/deps/test_nat-e1694c0594fe7b0e)
[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] [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 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_big ... ok
[INFO] [stdout] test test_fib ... ok
[INFO] [stdout] test test_bin ... ok
[INFO] [stdout] test test_pow ... ok
[INFO] [stdout] test test_fact ... ok
[INFO] [stdout] test test_divisors ... ok
[INFO] [stdout] test test_mul ... ok
[INFO] [stderr]      Running tests/test_primes.rs (/opt/rustwide/target/debug/deps/test_primes-6ff6342cc97d4073)
[INFO] [stdout] test test_pythag ... ok
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_sort.rs (/opt/rustwide/target/debug/deps/test_sort-dc4e52d4eee0c5b2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_ssort ... ok
[INFO] [stdout] test test_qsort ... 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] [stderr]    Doc-tests lib_algorithms
[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" "f23f4686594a3cc7e0a494dd4a3469292def53f9475fca33535a0cf2ba687445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23f4686594a3cc7e0a494dd4a3469292def53f9475fca33535a0cf2ba687445", kill_on_drop: false }`
[INFO] [stdout] f23f4686594a3cc7e0a494dd4a3469292def53f9475fca33535a0cf2ba687445