[INFO] updating cached repository https://github.com/Kelerchian/expr-bcrypt-qthreaded
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f52b332ca4dc317df2f202fbe9fb52f7cc0ec058
[INFO] testing Kelerchian/expr-bcrypt-qthreaded against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelerchian%2Fexpr-bcrypt-qthreaded" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded
[INFO] finished tweaking git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded
[INFO] tweaked toml for git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bfb7b647ddf20468410527f51494ad9785c5378f024495763e86bdcdf71f37e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6bfb7b647ddf20468410527f51494ad9785c5378f024495763e86bdcdf71f37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bfb7b647ddf20468410527f51494ad9785c5378f024495763e86bdcdf71f37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bfb7b647ddf20468410527f51494ad9785c5378f024495763e86bdcdf71f37e", kill_on_drop: false }`
[INFO] [stdout] 6bfb7b647ddf20468410527f51494ad9785c5378f024495763e86bdcdf71f37e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ac0a0592e1adbcf54119874da57bb64e7108341f81faa5c58098cfbc6dc3576
[INFO] running `Command { std: "docker" "start" "-a" "6ac0a0592e1adbcf54119874da57bb64e7108341f81faa5c58098cfbc6dc3576", kill_on_drop: false }`
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling random-integer v1.1.1
[INFO] [stderr]    Compiling blowfish v0.4.0
[INFO] [stderr]    Compiling random-pick v1.2.8
[INFO] [stderr]    Compiling bcrypt v0.6.2
[INFO] [stderr]    Compiling passwords v3.0.0
[INFO] [stderr]    Compiling expr-bcrypt-qthreaded v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]   --> src/bcrypt_example/qthreaded.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bcrypt_example/qthreaded.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         for i in 0..*worker_num {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bcrypt_example/batched.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     Err(e) => String::from("hash-failed"),
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]   --> src/bcrypt_example/batched.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let results = join_handles
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bcrypt_example/qthreaded.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut lines_iter = BufReader::new(&in_file).lines();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bcrypt_example/qthreaded.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.tx.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bcrypt_example/batched.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 out_file.write(res.as_bytes());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "6ac0a0592e1adbcf54119874da57bb64e7108341f81faa5c58098cfbc6dc3576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac0a0592e1adbcf54119874da57bb64e7108341f81faa5c58098cfbc6dc3576", kill_on_drop: false }`
[INFO] [stdout] 6ac0a0592e1adbcf54119874da57bb64e7108341f81faa5c58098cfbc6dc3576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb5c0621c3c9b330013ee9a83c49463cea33db430061efb78a1c89fd6dc47bd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb5c0621c3c9b330013ee9a83c49463cea33db430061efb78a1c89fd6dc47bd6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling expr-bcrypt-qthreaded v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]   --> src/bcrypt_example/qthreaded.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Receiver, Sender};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bcrypt_example/qthreaded.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         for i in 0..*worker_num {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bcrypt_example/batched.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     Err(e) => String::from("hash-failed"),
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]   --> src/bcrypt_example/batched.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let results = join_handles
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bcrypt_example/qthreaded.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut lines_iter = BufReader::new(&in_file).lines();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bcrypt_example/qthreaded.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.tx.send(None);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bcrypt_example/batched.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 out_file.write(res.as_bytes());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "eb5c0621c3c9b330013ee9a83c49463cea33db430061efb78a1c89fd6dc47bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5c0621c3c9b330013ee9a83c49463cea33db430061efb78a1c89fd6dc47bd6", kill_on_drop: false }`
[INFO] [stdout] eb5c0621c3c9b330013ee9a83c49463cea33db430061efb78a1c89fd6dc47bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4678d62cf089fb5606626b6dd647e4fe07a0f229984d36ab0ef11f56abc021a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4678d62cf089fb5606626b6dd647e4fe07a0f229984d36ab0ef11f56abc021a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Receiver`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/bcrypt_example/qthreaded.rs:10:23
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 10 | use std::sync::mpsc::{Receiver, Sender};
[INFO] [stdout] 
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bcrypt_example/qthreaded.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         for i in 0..*worker_num {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/bcrypt_example/batched.rs:56:25
[INFO] [stderr]    |
[INFO] [stderr] 56 |                     Err(e) => String::from("hash-failed"),
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `results`
[INFO] [stderr]   --> src/bcrypt_example/batched.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let results = join_handles
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bcrypt_example/qthreaded.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |     let mut lines_iter = BufReader::new(&in_file).lines();
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bcrypt_example/qthreaded.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         self.tx.send(None);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bcrypt_example/batched.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 out_file.write(res.as_bytes());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/expr_bcrypt_qthreaded-6ab29e37d0bc7f15
[INFO] running `Command { std: "docker" "inspect" "d4678d62cf089fb5606626b6dd647e4fe07a0f229984d36ab0ef11f56abc021a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4678d62cf089fb5606626b6dd647e4fe07a0f229984d36ab0ef11f56abc021a", kill_on_drop: false }`
[INFO] [stdout] d4678d62cf089fb5606626b6dd647e4fe07a0f229984d36ab0ef11f56abc021a