[INFO] cloning repository https://github.com/funnsam/my_ssa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/funnsam/my_ssa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnsam%2Fmy_ssa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnsam%2Fmy_ssa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beb2337019a9fb0884284cf2a152cce2a403a6dd
[INFO] checking funnsam/my_ssa against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnsam%2Fmy_ssa" "/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/funnsam/my_ssa
[INFO] finished tweaking git repo https://github.com/funnsam/my_ssa
[INFO] tweaked toml for git repo https://github.com/funnsam/my_ssa written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/funnsam/my_ssa on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/funnsam/my_ssa 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8164154353f55adb59323cb389b57b98e5356d68401fcd0d6f2cc1e7e81d5c4
[INFO] running `Command { std: "docker" "start" "-a" "b8164154353f55adb59323cb389b57b98e5356d68401fcd0d6f2cc1e7e81d5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8164154353f55adb59323cb389b57b98e5356d68401fcd0d6f2cc1e7e81d5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8164154353f55adb59323cb389b57b98e5356d68401fcd0d6f2cc1e7e81d5c4", kill_on_drop: false }`
[INFO] [stdout] b8164154353f55adb59323cb389b57b98e5356d68401fcd0d6f2cc1e7e81d5c4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161eb1cd6390e9a71cbf04217fdda282a58c6d2976ef0d5d91c4d611be2d0e52
[INFO] running `Command { std: "docker" "start" "-a" "161eb1cd6390e9a71cbf04217fdda282a58c6d2976ef0d5d91c4d611be2d0e52", kill_on_drop: false }`
[INFO] [stderr]     Checking my_ssa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/ssa.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct Function<Debug> {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub(crate) debug: Debug,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/ssa.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct Function<Debug> {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub(crate) debug: Debug,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `instruction`
[INFO] [stdout]  --> examples/test.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use my_ssa::{ssa::*, builder::*, instruction};
[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 variable: `main`
[INFO] [stdout]  --> examples/test.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let main = builder.new_function("main", ());
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_main`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main`
[INFO] [stdout]  --> examples/simple.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let main = builder.new_function("main", ());
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_main`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main`
[INFO] [stdout]  --> examples/codegen.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let main = builder.new_function("main", ());
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_main`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "161eb1cd6390e9a71cbf04217fdda282a58c6d2976ef0d5d91c4d611be2d0e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161eb1cd6390e9a71cbf04217fdda282a58c6d2976ef0d5d91c4d611be2d0e52", kill_on_drop: false }`
[INFO] [stdout] 161eb1cd6390e9a71cbf04217fdda282a58c6d2976ef0d5d91c4d611be2d0e52