[INFO] fetching crate crcp 0.3.7...
[INFO] testing crcp-0.3.7 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate crcp 0.3.7 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate crcp 0.3.7 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crcp 0.3.7
[INFO] finished tweaking crates.io crate crcp 0.3.7
[INFO] tweaked toml for crates.io crate crcp 0.3.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate crcp 0.3.7 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6434f8d8df8eac23a78425de9d53a89cd384b99de5165a3a289543d9e5f8eb
[INFO] running `Command { std: "docker" "start" "-a" "fd6434f8d8df8eac23a78425de9d53a89cd384b99de5165a3a289543d9e5f8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6434f8d8df8eac23a78425de9d53a89cd384b99de5165a3a289543d9e5f8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6434f8d8df8eac23a78425de9d53a89cd384b99de5165a3a289543d9e5f8eb", kill_on_drop: false }`
[INFO] [stdout] fd6434f8d8df8eac23a78425de9d53a89cd384b99de5165a3a289543d9e5f8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5230ebf1dd5300a1ff531fe224e892f2ef24131fce8acd199ce0b294dd030230
[INFO] running `Command { std: "docker" "start" "-a" "5230ebf1dd5300a1ff531fe224e892f2ef24131fce8acd199ce0b294dd030230", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling crcp v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/distribution_map.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             &self.weights.insert(*k, el);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let _ = &self.weights.insert(*k, el);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "5230ebf1dd5300a1ff531fe224e892f2ef24131fce8acd199ce0b294dd030230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5230ebf1dd5300a1ff531fe224e892f2ef24131fce8acd199ce0b294dd030230", kill_on_drop: false }`
[INFO] [stdout] 5230ebf1dd5300a1ff531fe224e892f2ef24131fce8acd199ce0b294dd030230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3082c740ab892607905d442a38e54c47ba62fceab3e0703a4ea0806308eb6d23
[INFO] running `Command { std: "docker" "start" "-a" "3082c740ab892607905d442a38e54c47ba62fceab3e0703a4ea0806308eb6d23", kill_on_drop: false }`
[INFO] [stderr]    Compiling crcp v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/distribution_map.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             &self.weights.insert(*k, el);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let _ = &self.weights.insert(*k, el);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3082c740ab892607905d442a38e54c47ba62fceab3e0703a4ea0806308eb6d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3082c740ab892607905d442a38e54c47ba62fceab3e0703a4ea0806308eb6d23", kill_on_drop: false }`
[INFO] [stdout] 3082c740ab892607905d442a38e54c47ba62fceab3e0703a4ea0806308eb6d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e484a833b67d41292ef5717de4a05df329201a546415aadc8160f39f7edf7b7
[INFO] running `Command { std: "docker" "start" "-a" "4e484a833b67d41292ef5717de4a05df329201a546415aadc8160f39f7edf7b7", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/distribution_map.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             &self.weights.insert(*k, el);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let _ = &self.weights.insert(*k, el);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `crcp` (bin "crcp" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/crcp-54bf905f6e195198)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_add_noise_var_1 ... ok
[INFO] [stdout] test tests::test_add_more_noise_1 ... ok
[INFO] [stdout] test tests::test_order_4 ... ok
[INFO] [stdout] test tests::test_order_16_2 ... ok
[INFO] [stdout] test tests::test_order_13 ... ok
[INFO] [stdout] test tests::test_reminder_1 ... ok
[INFO] [stdout] test tests::test_reminder_3 ... ok
[INFO] [stdout] test tests::test_reminder_4 ... ok
[INFO] [stdout] test tests::test_order_16 ... ok
[INFO] [stdout] test tests::test_reminder_2 ... ok
[INFO] [stdout] test tests::test_reminder_5 ... ok
[INFO] [stdout] test tests::test_weight ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e484a833b67d41292ef5717de4a05df329201a546415aadc8160f39f7edf7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e484a833b67d41292ef5717de4a05df329201a546415aadc8160f39f7edf7b7", kill_on_drop: false }`
[INFO] [stdout] 4e484a833b67d41292ef5717de4a05df329201a546415aadc8160f39f7edf7b7
