[INFO] fetching crate chainkov 1.1.3...
[INFO] testing chainkov-1.1.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate chainkov 1.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate chainkov 1.1.3
[INFO] finished tweaking crates.io crate chainkov 1.1.3
[INFO] tweaked toml for crates.io crate chainkov 1.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate chainkov 1.1.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98f60206e42dc81a83cf82e3b008d46595aba541408dfad5715abdfefeefd4a2
[INFO] running `Command { std: "docker" "start" "-a" "98f60206e42dc81a83cf82e3b008d46595aba541408dfad5715abdfefeefd4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98f60206e42dc81a83cf82e3b008d46595aba541408dfad5715abdfefeefd4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f60206e42dc81a83cf82e3b008d46595aba541408dfad5715abdfefeefd4a2", kill_on_drop: false }`
[INFO] [stdout] 98f60206e42dc81a83cf82e3b008d46595aba541408dfad5715abdfefeefd4a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89b30c783588825d894deb6f6d446df074a6b0c7c64823ffe38a26623d246ba1
[INFO] running `Command { std: "docker" "start" "-a" "89b30c783588825d894deb6f6d446df074a6b0c7c64823ffe38a26623d246ba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chainkov v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/markov.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     let mut prob_to_increment = self.transition_prob.get_mut(key).unwrap().get_mut(x).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "89b30c783588825d894deb6f6d446df074a6b0c7c64823ffe38a26623d246ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b30c783588825d894deb6f6d446df074a6b0c7c64823ffe38a26623d246ba1", kill_on_drop: false }`
[INFO] [stdout] 89b30c783588825d894deb6f6d446df074a6b0c7c64823ffe38a26623d246ba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5160fdc87a11228dd7a3a7dfc04a2c605d86930257d6cc20a80a565b509f53da
[INFO] running `Command { std: "docker" "start" "-a" "5160fdc87a11228dd7a3a7dfc04a2c605d86930257d6cc20a80a565b509f53da", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/markov.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     let mut prob_to_increment = self.transition_prob.get_mut(key).unwrap().get_mut(x).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chainkov v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/markov.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     let mut prob_to_increment = self.transition_prob.get_mut(key).unwrap().get_mut(x).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "5160fdc87a11228dd7a3a7dfc04a2c605d86930257d6cc20a80a565b509f53da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5160fdc87a11228dd7a3a7dfc04a2c605d86930257d6cc20a80a565b509f53da", kill_on_drop: false }`
[INFO] [stdout] 5160fdc87a11228dd7a3a7dfc04a2c605d86930257d6cc20a80a565b509f53da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76306215da6f9dec038e497a980c4a29bf698cc976952b330c222ce98d57a6fe
[INFO] running `Command { std: "docker" "start" "-a" "76306215da6f9dec038e497a980c4a29bf698cc976952b330c222ce98d57a6fe", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markov.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 |                     let mut prob_to_increment = self.transition_prob.get_mut(key).unwrap().get_mut(x).unwrap();
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chainkov` (lib) generated 1 warning (run `cargo fix --lib -p chainkov` to apply 1 suggestion)
[INFO] [stderr] warning: `chainkov` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chainkov-53c9b2d53c8a4bf3)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test markov::tests::test_add_state_choice ... ok
[INFO] [stdout] test markov::tests::test_next_state ... ok
[INFO] [stdout] test markov::tests::test_increment_state ... ok
[INFO] [stdout] test markov::tests::test_new ... ok
[INFO] [stdout] test markov::tests::test_generate_states ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chainkov
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/markov.rs - markov::MarkovChain (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76306215da6f9dec038e497a980c4a29bf698cc976952b330c222ce98d57a6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76306215da6f9dec038e497a980c4a29bf698cc976952b330c222ce98d57a6fe", kill_on_drop: false }`
[INFO] [stdout] 76306215da6f9dec038e497a980c4a29bf698cc976952b330c222ce98d57a6fe
