[INFO] cloning repository https://github.com/0mbi/stringliner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0mbi/stringliner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0mbi%2Fstringliner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0mbi%2Fstringliner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7812b695a9e09cb58f627cb7a1cf54fed47f6127
[INFO] testing 0mbi/stringliner against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0mbi%2Fstringliner" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0mbi/stringliner on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0mbi/stringliner
[INFO] finished tweaking git repo https://github.com/0mbi/stringliner
[INFO] tweaked toml for git repo https://github.com/0mbi/stringliner written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/0mbi/stringliner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 997ad9364b6dddbaf68538113fb13b4de29e9ee26748fac5c6795b92b18cd6a0
[INFO] running `Command { std: "docker" "start" "-a" "997ad9364b6dddbaf68538113fb13b4de29e9ee26748fac5c6795b92b18cd6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "997ad9364b6dddbaf68538113fb13b4de29e9ee26748fac5c6795b92b18cd6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997ad9364b6dddbaf68538113fb13b4de29e9ee26748fac5c6795b92b18cd6a0", kill_on_drop: false }`
[INFO] [stdout] 997ad9364b6dddbaf68538113fb13b4de29e9ee26748fac5c6795b92b18cd6a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9310268cbc329e7c95378a3cae8078adc352df3fc23c6e5ec2733977ded7d7c4
[INFO] running `Command { std: "docker" "start" "-a" "9310268cbc329e7c95378a3cae8078adc352df3fc23c6e5ec2733977ded7d7c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling stringliner v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::generators::printables::printable_vect`
[INFO] [stdout]  --> src/generators/c.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::generators::printables::printable_vect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `printable_string`
[INFO] [stdout]  --> src/generators/printables.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn printable_string(bstring: &Vec<u8>) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |            buf_reader.read_to_end(&mut buffer);
[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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |            handle.read_to_end(&mut buffer);
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "9310268cbc329e7c95378a3cae8078adc352df3fc23c6e5ec2733977ded7d7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9310268cbc329e7c95378a3cae8078adc352df3fc23c6e5ec2733977ded7d7c4", kill_on_drop: false }`
[INFO] [stdout] 9310268cbc329e7c95378a3cae8078adc352df3fc23c6e5ec2733977ded7d7c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 790ec7c90c854e00aca3da1b6ce1ae6a2bdbb2dd8cd3bcbb0494075ac0181fc1
[INFO] running `Command { std: "docker" "start" "-a" "790ec7c90c854e00aca3da1b6ce1ae6a2bdbb2dd8cd3bcbb0494075ac0181fc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringliner v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::generators::printables::printable_vect`
[INFO] [stdout]  --> src/generators/c.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::generators::printables::printable_vect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `printable_string`
[INFO] [stdout]  --> src/generators/printables.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn printable_string(bstring: &Vec<u8>) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |            buf_reader.read_to_end(&mut buffer);
[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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |            handle.read_to_end(&mut buffer);
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "790ec7c90c854e00aca3da1b6ce1ae6a2bdbb2dd8cd3bcbb0494075ac0181fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790ec7c90c854e00aca3da1b6ce1ae6a2bdbb2dd8cd3bcbb0494075ac0181fc1", kill_on_drop: false }`
[INFO] [stdout] 790ec7c90c854e00aca3da1b6ce1ae6a2bdbb2dd8cd3bcbb0494075ac0181fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2a7efb0662f48f390d3a8b6c3082e87d3afef0c63d5255fda7e7f0a2445d686
[INFO] running `Command { std: "docker" "start" "-a" "e2a7efb0662f48f390d3a8b6c3082e87d3afef0c63d5255fda7e7f0a2445d686", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::generators::printables::printable_vect`
[INFO] [stderr]  --> src/generators/c.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::generators::printables::printable_vect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `printable_string`
[INFO] [stderr]  --> src/generators/printables.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn printable_string(bstring: &Vec<u8>) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |            buf_reader.read_to_end(&mut buffer);
[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 `Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |            handle.read_to_end(&mut buffer);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stringliner-0b35445c67a0f75e)
[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" "e2a7efb0662f48f390d3a8b6c3082e87d3afef0c63d5255fda7e7f0a2445d686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a7efb0662f48f390d3a8b6c3082e87d3afef0c63d5255fda7e7f0a2445d686", kill_on_drop: false }`
[INFO] [stdout] e2a7efb0662f48f390d3a8b6c3082e87d3afef0c63d5255fda7e7f0a2445d686