[INFO] cloning repository https://github.com/uofa-systems/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uofa-systems/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuofa-systems%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuofa-systems%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 707d4b045437a029b1b811830b55f87dfc7afbca
[INFO] checking uofa-systems/compiler against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuofa-systems%2Fcompiler" "/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/uofa-systems/compiler
[INFO] finished tweaking git repo https://github.com/uofa-systems/compiler
[INFO] tweaked toml for git repo https://github.com/uofa-systems/compiler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uofa-systems/compiler on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uofa-systems/compiler 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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "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]     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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a841ff818d3b0acd0c2d49a664cb59ba7b64505c2824fddf9301deb6e72a1536
[INFO] running `Command { std: "docker" "start" "-a" "a841ff818d3b0acd0c2d49a664cb59ba7b64505c2824fddf9301deb6e72a1536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a841ff818d3b0acd0c2d49a664cb59ba7b64505c2824fddf9301deb6e72a1536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a841ff818d3b0acd0c2d49a664cb59ba7b64505c2824fddf9301deb6e72a1536", kill_on_drop: false }`
[INFO] [stdout] a841ff818d3b0acd0c2d49a664cb59ba7b64505c2824fddf9301deb6e72a1536
[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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6453619b46d1ee21c8bef1dcb942b45d2f4897b2a92b690b9d6ace83cf4c71c
[INFO] running `Command { std: "docker" "start" "-a" "f6453619b46d1ee21c8bef1dcb942b45d2f4897b2a92b690b9d6ace83cf4c71c", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ast.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct EnumDecl {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 21 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnumDecl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ast.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct TypedefDecl {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypedefDecl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_with_copy` is never used
[INFO] [stdout]    --> src/optimizer.rs:837:4
[INFO] [stdout]     |
[INFO] [stdout] 837 | fn replace_with_copy(ins: &mut Instr, val: Val) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_with_const_copy` is never used
[INFO] [stdout]    --> src/optimizer.rs:843:4
[INFO] [stdout]     |
[INFO] [stdout] 843 | fn replace_with_const_copy(ins: &mut Instr, c: i64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ast.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct EnumDecl {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 21 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnumDecl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ast.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct TypedefDecl {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypedefDecl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_with_copy` is never used
[INFO] [stdout]    --> src/optimizer.rs:837:4
[INFO] [stdout]     |
[INFO] [stdout] 837 | fn replace_with_copy(ins: &mut Instr, val: Val) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_with_const_copy` is never used
[INFO] [stdout]    --> src/optimizer.rs:843:4
[INFO] [stdout]     |
[INFO] [stdout] 843 | fn replace_with_const_copy(ins: &mut Instr, c: i64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "f6453619b46d1ee21c8bef1dcb942b45d2f4897b2a92b690b9d6ace83cf4c71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6453619b46d1ee21c8bef1dcb942b45d2f4897b2a92b690b9d6ace83cf4c71c", kill_on_drop: false }`
[INFO] [stdout] f6453619b46d1ee21c8bef1dcb942b45d2f4897b2a92b690b9d6ace83cf4c71c