[INFO] cloning repository https://github.com/portal-co/rv-emit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/portal-co/rv-emit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Frv-emit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Frv-emit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1038b66a67b7514c02c986e1d650fa8e0b22461c
[INFO] checking portal-co/rv-emit against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Frv-emit" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/portal-co/rv-emit
[INFO] finished tweaking git repo https://github.com/portal-co/rv-emit
[INFO] tweaked toml for git repo https://github.com/portal-co/rv-emit written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/portal-co/rv-emit on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/portal-co/rv-emit 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "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 mutants v0.0.3
[INFO] [stderr]   Downloaded rv-asm v0.2.1
[INFO] [stderr]   Downloaded exhaust-macros v0.2.4
[INFO] [stderr]   Downloaded portal-pc-asm-common v0.1.1
[INFO] [stderr]   Downloaded no-error-type v0.1.2
[INFO] [stderr]   Downloaded exhaust v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f45d285afdf4dbe896081ceca2137eeeb1542e98c5d819f26e1ba7d94b689ce1
[INFO] running `Command { std: "docker" "start" "-a" "f45d285afdf4dbe896081ceca2137eeeb1542e98c5d819f26e1ba7d94b689ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f45d285afdf4dbe896081ceca2137eeeb1542e98c5d819f26e1ba7d94b689ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45d285afdf4dbe896081ceca2137eeeb1542e98c5d819f26e1ba7d94b689ce1", kill_on_drop: false }`
[INFO] [stdout] f45d285afdf4dbe896081ceca2137eeeb1542e98c5d819f26e1ba7d94b689ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9e9bea79809e8d128092dd6f40099897b6553cd69029ef5cccb749c02bfa0cf
[INFO] running `Command { std: "docker" "start" "-a" "d9e9bea79809e8d128092dd6f40099897b6553cd69029ef5cccb749c02bfa0cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking rv-asm v0.2.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking no-error-type v0.1.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling exhaust-macros v0.2.4
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking exhaust v0.2.4
[INFO] [stderr]     Checking portal-pc-asm-common v0.1.1
[INFO] [stderr]     Checking portal-solutions-rv-emit v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `slice::BitSlice`
[INFO] [stdout]  --> src/lib.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bitvec::{bits, slice::BitSlice};
[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: `slice::BitSlice`
[INFO] [stdout]  --> src/lib.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bitvec::{bits, slice::BitSlice};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn i64_reg(mut a: u64, r: Reg) -> impl Iterator<Item = (Inst, Nj)> {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     mut a: impl Iterator<Item = V>,
[INFO] [stdout]    |     ----^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut a = core::iter::from_fn(move || {
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn i64_reg(mut a: u64, r: Reg) -> impl Iterator<Item = (Inst, Nj)> {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     mut a: impl Iterator<Item = V>,
[INFO] [stdout]    |     ----^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut a = core::iter::from_fn(move || {
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.85s
[INFO] running `Command { std: "docker" "inspect" "d9e9bea79809e8d128092dd6f40099897b6553cd69029ef5cccb749c02bfa0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e9bea79809e8d128092dd6f40099897b6553cd69029ef5cccb749c02bfa0cf", kill_on_drop: false }`
[INFO] [stdout] d9e9bea79809e8d128092dd6f40099897b6553cd69029ef5cccb749c02bfa0cf
