[INFO] cloning repository https://github.com/ultrasilicon/mantra-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ultrasilicon/mantra-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasilicon%2Fmantra-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasilicon%2Fmantra-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e2b1753dbbb813370361729ae5487014b66ca5a
[INFO] testing ultrasilicon/mantra-rs against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasilicon%2Fmantra-rs" "/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/ultrasilicon/mantra-rs
[INFO] finished tweaking git repo https://github.com/ultrasilicon/mantra-rs
[INFO] tweaked toml for git repo https://github.com/ultrasilicon/mantra-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ultrasilicon/mantra-rs on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ultrasilicon/mantra-rs 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] d2fe08f0cc7f771c1dae2f7deab8e0604f0252af1177471b97bfd4f71b2aed83
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[INFO] [stderr]    Compiling mantra-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]   --> src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | use anyhow::{Context, Result};
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefactorKind`
[INFO] [stdout]   --> src/main.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     config::{Cli, RefactorKind},
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/agents/developer.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |             .temperature(0.0)
[INFO] [stdout]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]    = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/agents/repair.rs:63:26
[INFO] [stdout]    |
[INFO] [stdout] 63 |             .temperature(0.0)
[INFO] [stdout]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/agents/reviewer.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |             .temperature(0.0)
[INFO] [stdout]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut candidate_path = temp_rs_path(&file)?;
[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: value assigned to `repairs` is never read
[INFO] [stdout]    --> src/main.rs:76:23
[INFO] [stdout]     |
[INFO] [stdout]  76 |     let mut repairs = 0u32;
[INFO] [stdout]     |                       ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 204 |                 repairs = n + 1;
[INFO] [stdout]     |                 --------------- `repairs` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checklist` is never read
[INFO] [stdout]   --> src/agents/reviewer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct ReviewVerdict {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub checklist: Option<serde_json::Value>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReviewVerdict` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "d2fe08f0cc7f771c1dae2f7deab8e0604f0252af1177471b97bfd4f71b2aed83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fe08f0cc7f771c1dae2f7deab8e0604f0252af1177471b97bfd4f71b2aed83", kill_on_drop: false }`
[INFO] [stdout] d2fe08f0cc7f771c1dae2f7deab8e0604f0252af1177471b97bfd4f71b2aed83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 718b2011d67c9756aaca546864dc01885f88e0882701916d1f49e7033112908a
[INFO] running `Command { std: "docker" "start" "-a" "718b2011d67c9756aaca546864dc01885f88e0882701916d1f49e7033112908a", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling mantra-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]   --> src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | use anyhow::{Context, Result};
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefactorKind`
[INFO] [stdout]   --> src/main.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     config::{Cli, RefactorKind},
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/agents/developer.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |             .temperature(0.0)
[INFO] [stdout]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]    = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/agents/repair.rs:63:26
[INFO] [stdout]    |
[INFO] [stdout] 63 |             .temperature(0.0)
[INFO] [stdout]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/agents/reviewer.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |             .temperature(0.0)
[INFO] [stdout]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut candidate_path = temp_rs_path(&file)?;
[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: value assigned to `repairs` is never read
[INFO] [stdout]    --> src/main.rs:76:23
[INFO] [stdout]     |
[INFO] [stdout]  76 |     let mut repairs = 0u32;
[INFO] [stdout]     |                       ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 204 |                 repairs = n + 1;
[INFO] [stdout]     |                 --------------- `repairs` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checklist` is never read
[INFO] [stdout]   --> src/agents/reviewer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct ReviewVerdict {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub checklist: Option<serde_json::Value>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReviewVerdict` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "718b2011d67c9756aaca546864dc01885f88e0882701916d1f49e7033112908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718b2011d67c9756aaca546864dc01885f88e0882701916d1f49e7033112908a", kill_on_drop: false }`
[INFO] [stdout] 718b2011d67c9756aaca546864dc01885f88e0882701916d1f49e7033112908a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9cdc71dcb566bc0b479400b98c9ed1f350ab33cd9d327e709711c1bc4e8fb7a4
[INFO] running `Command { std: "docker" "start" "-a" "9cdc71dcb566bc0b479400b98c9ed1f350ab33cd9d327e709711c1bc4e8fb7a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Context`
[INFO] [stderr]   --> src/main.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 | use anyhow::{Context, Result};
[INFO] [stderr]    |              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RefactorKind`
[INFO] [stderr]   --> src/main.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     config::{Cli, RefactorKind},
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]   --> src/agents/developer.rs:79:26
[INFO] [stderr]    |
[INFO] [stderr] 79 |             .temperature(0.0)
[INFO] [stderr]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr]    = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]   --> src/agents/repair.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |             .temperature(0.0)
[INFO] [stderr]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]   --> src/agents/reviewer.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |             .temperature(0.0)
[INFO] [stderr]    |                          ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut candidate_path = temp_rs_path(&file)?;
[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: value assigned to `repairs` is never read
[INFO] [stderr]    --> src/main.rs:76:23
[INFO] [stderr]     |
[INFO] [stderr]  76 |     let mut repairs = 0u32;
[INFO] [stderr]     |                       ^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 204 |                 repairs = n + 1;
[INFO] [stderr]     |                 --------------- `repairs` is overwritten here before the previous value is read
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `checklist` is never read
[INFO] [stderr]   --> src/agents/reviewer.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct ReviewVerdict {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub checklist: Option<serde_json::Value>,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ReviewVerdict` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mantra-rs` (bin "mantra-rs" test) generated 8 warnings (run `cargo fix --bin "mantra-rs" -p mantra-rs --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mantra_rs-5d93ffc138a2a56c)
[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" "9cdc71dcb566bc0b479400b98c9ed1f350ab33cd9d327e709711c1bc4e8fb7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cdc71dcb566bc0b479400b98c9ed1f350ab33cd9d327e709711c1bc4e8fb7a4", kill_on_drop: false }`
[INFO] [stdout] 9cdc71dcb566bc0b479400b98c9ed1f350ab33cd9d327e709711c1bc4e8fb7a4
