[INFO] cloning repository https://github.com/Sekva/tcc_prog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sekva/tcc_prog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSekva%2Ftcc_prog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSekva%2Ftcc_prog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56fa674508ea18b1a3f505639e0b1cc91cb17556
[INFO] checking Sekva/tcc_prog against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSekva%2Ftcc_prog" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sekva/tcc_prog on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sekva/tcc_prog
[INFO] finished tweaking git repo https://github.com/Sekva/tcc_prog
[INFO] tweaked toml for git repo https://github.com/Sekva/tcc_prog written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Sekva/tcc_prog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sprs v0.7.1
[INFO] [stderr]   Downloaded minilp v0.2.2
[INFO] [stderr]   Downloaded good_lp v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9208b63cc7d39c089d84ac3d558bc88d0c61f66da2370ba174291e72fed614b1
[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" "9208b63cc7d39c089d84ac3d558bc88d0c61f66da2370ba174291e72fed614b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9208b63cc7d39c089d84ac3d558bc88d0c61f66da2370ba174291e72fed614b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9208b63cc7d39c089d84ac3d558bc88d0c61f66da2370ba174291e72fed614b1", kill_on_drop: false }`
[INFO] [stdout] 9208b63cc7d39c089d84ac3d558bc88d0c61f66da2370ba174291e72fed614b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0111c4842dda3f3ad97b18e5c06d0c14b75a436a13071f2db14ac0293dbb0ab
[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" "d0111c4842dda3f3ad97b18e5c06d0c14b75a436a13071f2db14ac0293dbb0ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sprs v0.7.1
[INFO] [stderr]     Checking minilp v0.2.2
[INFO] [stderr]     Checking good_lp v0.3.4
[INFO] [stderr]     Checking tcc_prog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `hessiana_atual` is never read
[INFO] [stdout]    --> src/iter_linear.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         hessiana_atual = bfgs(hessiana_atual, aidi, yi);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hessiana_atual` is never read
[INFO] [stdout]    --> src/iter_linear.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         hessiana_atual = bfgs(hessiana_atual, aidi, yi);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.25s
[INFO] running `Command { std: "docker" "inspect" "d0111c4842dda3f3ad97b18e5c06d0c14b75a436a13071f2db14ac0293dbb0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0111c4842dda3f3ad97b18e5c06d0c14b75a436a13071f2db14ac0293dbb0ab", kill_on_drop: false }`
[INFO] [stdout] d0111c4842dda3f3ad97b18e5c06d0c14b75a436a13071f2db14ac0293dbb0ab