[INFO] cloning repository https://github.com/joshuabrandes/ltccc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshuabrandes/ltccc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuabrandes%2Fltccc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuabrandes%2Fltccc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fbe66d05a9110d2d4cafe0ccb889ec0b495109e
[INFO] testing joshuabrandes/ltccc against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuabrandes%2Fltccc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joshuabrandes/ltccc
[INFO] finished tweaking git repo https://github.com/joshuabrandes/ltccc
[INFO] tweaked toml for git repo https://github.com/joshuabrandes/ltccc written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joshuabrandes/ltccc on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joshuabrandes/ltccc 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v1.0.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e1b495b46df2940cb6435573f9f316e5d56a951709e95f6c50f9259a661b576
[INFO] running `Command { std: "docker" "start" "-a" "7e1b495b46df2940cb6435573f9f316e5d56a951709e95f6c50f9259a661b576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e1b495b46df2940cb6435573f9f316e5d56a951709e95f6c50f9259a661b576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1b495b46df2940cb6435573f9f316e5d56a951709e95f6c50f9259a661b576", kill_on_drop: false }`
[INFO] [stdout] 7e1b495b46df2940cb6435573f9f316e5d56a951709e95f6c50f9259a661b576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c58d3864b3f32942c454959ddb6e74641c2687d57900e961cc0abbc887cf3d24
[INFO] running `Command { std: "docker" "start" "-a" "c58d3864b3f32942c454959ddb6e74641c2687d57900e961cc0abbc887cf3d24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v1.0.0-alpha.1
[INFO] [stderr]    Compiling ltccc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut predicted = current_frame.to_vec();
[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] [stdout] warning: unused variable: `reference_frames`
[INFO] [stdout]    --> src/lib.rs:179:51
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn predict_frame(&self, current_frame: &[u8], reference_frames: &[&[u8]]) -> Vec<u8> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_frames`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "c58d3864b3f32942c454959ddb6e74641c2687d57900e961cc0abbc887cf3d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58d3864b3f32942c454959ddb6e74641c2687d57900e961cc0abbc887cf3d24", kill_on_drop: false }`
[INFO] [stdout] c58d3864b3f32942c454959ddb6e74641c2687d57900e961cc0abbc887cf3d24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c6667ffacc40093ccd2bfec76a693670d5ec2e3b5bf2d98718e0d4373f6bd7b
[INFO] running `Command { std: "docker" "start" "-a" "5c6667ffacc40093ccd2bfec76a693670d5ec2e3b5bf2d98718e0d4373f6bd7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ltccc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut predicted = current_frame.to_vec();
[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] [stdout] warning: unused variable: `reference_frames`
[INFO] [stdout]    --> src/lib.rs:179:51
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn predict_frame(&self, current_frame: &[u8], reference_frames: &[&[u8]]) -> Vec<u8> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_frames`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "5c6667ffacc40093ccd2bfec76a693670d5ec2e3b5bf2d98718e0d4373f6bd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6667ffacc40093ccd2bfec76a693670d5ec2e3b5bf2d98718e0d4373f6bd7b", kill_on_drop: false }`
[INFO] [stdout] 5c6667ffacc40093ccd2bfec76a693670d5ec2e3b5bf2d98718e0d4373f6bd7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5744c3ea790379ec72158dc22b59023b47deb2df79bf568037a32867f106f9aa
[INFO] running `Command { std: "docker" "start" "-a" "5744c3ea790379ec72158dc22b59023b47deb2df79bf568037a32867f106f9aa", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         let mut predicted = current_frame.to_vec();
[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: unused variable: `reference_frames`
[INFO] [stderr]    --> src/lib.rs:179:51
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn predict_frame(&self, current_frame: &[u8], reference_frames: &[&[u8]]) -> Vec<u8> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_frames`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ltccc` (lib test) generated 2 warnings (run `cargo fix --lib -p ltccc --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ltccc-f815fc6942818094)
[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" "5744c3ea790379ec72158dc22b59023b47deb2df79bf568037a32867f106f9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5744c3ea790379ec72158dc22b59023b47deb2df79bf568037a32867f106f9aa", kill_on_drop: false }`
[INFO] [stdout] 5744c3ea790379ec72158dc22b59023b47deb2df79bf568037a32867f106f9aa
