[INFO] cloning repository https://github.com/GreenOpposite/tantalum_unit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GreenOpposite/tantalum_unit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGreenOpposite%2Ftantalum_unit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGreenOpposite%2Ftantalum_unit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc3ac5773ebf3ff4906e91f97030460eae446326
[INFO] checking GreenOpposite/tantalum_unit against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGreenOpposite%2Ftantalum_unit" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GreenOpposite/tantalum_unit
[INFO] finished tweaking git repo https://github.com/GreenOpposite/tantalum_unit
[INFO] tweaked toml for git repo https://github.com/GreenOpposite/tantalum_unit written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GreenOpposite/tantalum_unit on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GreenOpposite/tantalum_unit 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517
[INFO] running `Command { std: "docker" "start" "8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.11
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[INFO] [stderr]     Checking tantalum_unit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `i128`
[INFO] [stdout]   --> src/scalable_integer.rs:27:47
[INFO] [stdout]    |
[INFO] [stdout] 27 |             (Double(a), Single(b)) => (Double(a.into()), Double(b.into())),
[INFO] [stdout]    |                                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 27 -             (Double(a), Single(b)) => (Double(a.into()), Double(b.into())),
[INFO] [stdout] 27 +             (Double(a), Single(b)) => (Double(a), Double(b.into())),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 27 -             (Double(a), Single(b)) => (Double(a.into()), Double(b.into())),
[INFO] [stdout] 27 +             (Double(a), Single(b)) => (Double(<i128 as Into<_>>::into(a)), Double(b.into())),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i64`
[INFO] [stdout]    --> src/scalable_integer.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 110 |         Single(value.into()).demote_size()
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 110 -         Single(value.into()).demote_size()
[INFO] [stdout] 110 +         Single(value).demote_size()
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 110 -         Single(value.into()).demote_size()
[INFO] [stdout] 110 +         Single(<i64 as Into<_>>::into(value)).demote_size()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i128`
[INFO] [stdout]    --> src/scalable_integer.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |         Double(value.into()).demote_size()
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 120 -         Double(value.into()).demote_size()
[INFO] [stdout] 120 +         Double(value).demote_size()
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 120 -         Double(value.into()).demote_size()
[INFO] [stdout] 120 +         Double(<i128 as Into<_>>::into(value)).demote_size()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tantalum_unit` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517", kill_on_drop: false }`
[INFO] [stdout] 8abd456ec0a62a00d66e942b4edea82d9710f3025f9b40bfa901bf9cbb2dc517
