[INFO] cloning repository https://github.com/AaronKutch/old_exponential_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AaronKutch/old_exponential_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaronKutch%2Fold_exponential_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaronKutch%2Fold_exponential_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4584d9001ca2fc854553bb7bf8d69ce7cb2d2d81
[INFO] checking AaronKutch/old_exponential_code/4584d9001ca2fc854553bb7bf8d69ce7cb2d2d81 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaronKutch%2Fold_exponential_code" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AaronKutch/old_exponential_code on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AaronKutch/old_exponential_code
[INFO] finished tweaking git repo https://github.com/AaronKutch/old_exponential_code
[INFO] tweaked toml for git repo https://github.com/AaronKutch/old_exponential_code written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AaronKutch/old_exponential_code 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0299be784657201f3223cc6b808ba7379a88d193b18e47e2950380aaecdb49c
[INFO] running `Command { std: "docker" "start" "-a" "c0299be784657201f3223cc6b808ba7379a88d193b18e47e2950380aaecdb49c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0299be784657201f3223cc6b808ba7379a88d193b18e47e2950380aaecdb49c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0299be784657201f3223cc6b808ba7379a88d193b18e47e2950380aaecdb49c", kill_on_drop: false }`
[INFO] [stdout] c0299be784657201f3223cc6b808ba7379a88d193b18e47e2950380aaecdb49c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59564f625b647eabda6ac7816d3ae4246bfd64ff441af08209123c81fd6f0d2e
[INFO] running `Command { std: "docker" "start" "-a" "59564f625b647eabda6ac7816d3ae4246bfd64ff441af08209123c81fd6f0d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling recasting v0.2.1
[INFO] [stderr]     Checking triple_arena v0.13.0
[INFO] [stderr]    Compiling awint_internals v0.17.0
[INFO] [stderr]     Checking awint_core v0.17.0
[INFO] [stderr]    Compiling awint_ext v0.17.0
[INFO] [stderr]    Compiling awint_macro_internals v0.17.0
[INFO] [stderr]    Compiling awint_macros v0.17.0
[INFO] [stderr]     Checking awint v0.17.0
[INFO] [stderr]     Checking old_exponential_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `mul_exp_bounds` is never used
[INFO] [stdout]    --> src/exp.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn mul_exp_bounds<B0: BorrowMut<Bits>, B1: BorrowMut<Bits>, B2: BorrowMut<Bits>>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exp2_bounds` is never used
[INFO] [stdout]    --> src/exp.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn exp2_bounds<B0: BorrowMut<Bits>>(this: &FP<B0>) -> Option<(FP<ExtAwi>, FP<ExtAwi>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fp_imul_` is never used
[INFO] [stdout]   --> src/fpbits.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn fp_imul_<B0: BorrowMut<Bits>, B1: BorrowMut<Bits>>(
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fp_uimul_` is never used
[INFO] [stdout]   --> src/fpbits.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn fp_uimul_<B0: BorrowMut<Bits>, B1: BorrowMut<Bits>>(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fp_uimul_` is never used
[INFO] [stdout]   --> src/fpbits.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn fp_uimul_<B0: BorrowMut<Bits>, B1: BorrowMut<Bits>>(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "59564f625b647eabda6ac7816d3ae4246bfd64ff441af08209123c81fd6f0d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59564f625b647eabda6ac7816d3ae4246bfd64ff441af08209123c81fd6f0d2e", kill_on_drop: false }`
[INFO] [stdout] 59564f625b647eabda6ac7816d3ae4246bfd64ff441af08209123c81fd6f0d2e