[INFO] fetching crate binary-helper 0.2.3...
[INFO] testing binary-helper-0.2.3 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate binary-helper 0.2.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate binary-helper 0.2.3 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binary-helper 0.2.3
[INFO] finished tweaking crates.io crate binary-helper 0.2.3
[INFO] tweaked toml for crates.io crate binary-helper 0.2.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b5f1c22794ce9dd67e1515dc4b05b63342e45fd5a49d4447effe596ecaf8c29
[INFO] running `Command { std: "docker" "start" "-a" "3b5f1c22794ce9dd67e1515dc4b05b63342e45fd5a49d4447effe596ecaf8c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b5f1c22794ce9dd67e1515dc4b05b63342e45fd5a49d4447effe596ecaf8c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5f1c22794ce9dd67e1515dc4b05b63342e45fd5a49d4447effe596ecaf8c29", kill_on_drop: false }`
[INFO] [stdout] 3b5f1c22794ce9dd67e1515dc4b05b63342e45fd5a49d4447effe596ecaf8c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07d852631ebec192c54781036750398d2eefd6e20cc4d98043de2dbec7a11768
[INFO] running `Command { std: "docker" "start" "-a" "07d852631ebec192c54781036750398d2eefd6e20cc4d98043de2dbec7a11768", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary-helper v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut ret = "".to_string();
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut ret = "".to_string();
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn binary_str2dec(mut bin:String) -> i128 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn binary_str2dec_str(mut bin:String) -> String {
[INFO] [stdout]    |                           ----^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "07d852631ebec192c54781036750398d2eefd6e20cc4d98043de2dbec7a11768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d852631ebec192c54781036750398d2eefd6e20cc4d98043de2dbec7a11768", kill_on_drop: false }`
[INFO] [stdout] 07d852631ebec192c54781036750398d2eefd6e20cc4d98043de2dbec7a11768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac848fd5a2c9965f16b287dc820002296fbecfd5e5d6ea2d16154fb5c3c7e87
[INFO] running `Command { std: "docker" "start" "-a" "eac848fd5a2c9965f16b287dc820002296fbecfd5e5d6ea2d16154fb5c3c7e87", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut ret = "".to_string();
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling binary-helper v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut ret = "".to_string();
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn binary_str2dec(mut bin:String) -> i128 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn binary_str2dec_str(mut bin:String) -> String {
[INFO] [stdout]    |                           ----^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut ret = "".to_string();
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut ret = "".to_string();
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn binary_str2dec(mut bin:String) -> i128 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn binary_str2dec_str(mut bin:String) -> String {
[INFO] [stdout]    |                           ----^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "eac848fd5a2c9965f16b287dc820002296fbecfd5e5d6ea2d16154fb5c3c7e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac848fd5a2c9965f16b287dc820002296fbecfd5e5d6ea2d16154fb5c3c7e87", kill_on_drop: false }`
[INFO] [stdout] eac848fd5a2c9965f16b287dc820002296fbecfd5e5d6ea2d16154fb5c3c7e87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb50b79aeb3b8d8cefbbbcedc7a9641652f336ccf0d518bc5d55b9b80e22d1e4
[INFO] running `Command { std: "docker" "start" "-a" "fb50b79aeb3b8d8cefbbbcedc7a9641652f336ccf0d518bc5d55b9b80e22d1e4", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `ret` is never read
[INFO] [stderr]  --> src/lib.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut ret = "".to_string();
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ret` is never read
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut ret = "".to_string();
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn binary_str2dec(mut bin:String) -> i128 {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:68:27
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn binary_str2dec_str(mut bin:String) -> String {
[INFO] [stderr]    |                           ----^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `binary-helper` (lib) generated 4 warnings (run `cargo fix --lib -p binary-helper` to apply 2 suggestions)
[INFO] [stderr] warning: `binary-helper` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/binary_helper-c5ab8721fd1935d2)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::str_2_dec_str ... ok
[INFO] [stdout] test tests::str_2_dec ... ok
[INFO] [stdout] test tests::dec_2_binary_string ... ok
[INFO] [stdout] test tests::dec_2_binary_string_fluff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests binary_helper
[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" "fb50b79aeb3b8d8cefbbbcedc7a9641652f336ccf0d518bc5d55b9b80e22d1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb50b79aeb3b8d8cefbbbcedc7a9641652f336ccf0d518bc5d55b9b80e22d1e4", kill_on_drop: false }`
[INFO] [stdout] fb50b79aeb3b8d8cefbbbcedc7a9641652f336ccf0d518bc5d55b9b80e22d1e4
