[INFO] cloning repository https://github.com/Dustin-Jiang/minic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dustin-Jiang/minic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDustin-Jiang%2Fminic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDustin-Jiang%2Fminic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3eb33195d0c5b243b66d4c77a76eab7c158816e
[INFO] testing Dustin-Jiang/minic against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDustin-Jiang%2Fminic" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Dustin-Jiang/minic
[INFO] finished tweaking git repo https://github.com/Dustin-Jiang/minic
[INFO] tweaked toml for git repo https://github.com/Dustin-Jiang/minic written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dustin-Jiang/minic on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Dustin-Jiang/minic 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii-canvas v4.0.0
[INFO] [stderr]   Downloaded lalrpop-util v0.22.2
[INFO] [stderr]   Downloaded term v1.2.1
[INFO] [stderr]   Downloaded koopa v0.0.9
[INFO] [stderr]   Downloaded key-node-list v0.0.6
[INFO] [stderr]   Downloaded lalrpop v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e435eff9f74b4bcbb28f10504522b1ca8c948f42e4c1382523599cbc9b567746
[INFO] running `Command { std: "docker" "start" "-a" "e435eff9f74b4bcbb28f10504522b1ca8c948f42e4c1382523599cbc9b567746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e435eff9f74b4bcbb28f10504522b1ca8c948f42e4c1382523599cbc9b567746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e435eff9f74b4bcbb28f10504522b1ca8c948f42e4c1382523599cbc9b567746", kill_on_drop: false }`
[INFO] [stdout] e435eff9f74b4bcbb28f10504522b1ca8c948f42e4c1382523599cbc9b567746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ac8faaad49c4814e6e6b9f6c4235864408e86e1d690522501e87db4bbd4d9b3
[INFO] running `Command { std: "docker" "start" "-a" "7ac8faaad49c4814e6e6b9f6c4235864408e86e1d690522501e87db4bbd4d9b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling term v1.2.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling colored v3.1.1
[INFO] [stderr]    Compiling key-node-list v0.0.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling lalrpop-util v0.22.2
[INFO] [stderr]    Compiling koopa v0.0.9
[INFO] [stderr]    Compiling lalrpop v0.22.2
[INFO] [stderr]    Compiling minic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/ast/variable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/ast/symbol.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SymbolMap {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn len(&self) -> usize {
[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 `btype` is never read
[INFO] [stdout]   --> src/ast/variable.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ConstDecl {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 29 |     pub btype: VarType,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConstDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.33s
[INFO] running `Command { std: "docker" "inspect" "7ac8faaad49c4814e6e6b9f6c4235864408e86e1d690522501e87db4bbd4d9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac8faaad49c4814e6e6b9f6c4235864408e86e1d690522501e87db4bbd4d9b3", kill_on_drop: false }`
[INFO] [stdout] 7ac8faaad49c4814e6e6b9f6c4235864408e86e1d690522501e87db4bbd4d9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c4b1e3ed8c270ec68575380d46c108e2b2eae518c30ed42ea71e4da612e2fe2
[INFO] running `Command { std: "docker" "start" "-a" "0c4b1e3ed8c270ec68575380d46c108e2b2eae518c30ed42ea71e4da612e2fe2", kill_on_drop: false }`
[INFO] [stderr]    Compiling minic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/ast/variable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/ast/symbol.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SymbolMap {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn len(&self) -> usize {
[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 `btype` is never read
[INFO] [stdout]   --> src/ast/variable.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ConstDecl {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 29 |     pub btype: VarType,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConstDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "0c4b1e3ed8c270ec68575380d46c108e2b2eae518c30ed42ea71e4da612e2fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4b1e3ed8c270ec68575380d46c108e2b2eae518c30ed42ea71e4da612e2fe2", kill_on_drop: false }`
[INFO] [stdout] 0c4b1e3ed8c270ec68575380d46c108e2b2eae518c30ed42ea71e4da612e2fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6dbe3c15f4e12abc63ccf3ee3f93d09c860575d91751dd9edb51570b541e48c
[INFO] running `Command { std: "docker" "start" "-a" "d6dbe3c15f4e12abc63ccf3ee3f93d09c860575d91751dd9edb51570b541e48c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::format`
[INFO] [stderr]  --> src/ast/variable.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::format;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `len` is never used
[INFO] [stderr]   --> src/ast/symbol.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl SymbolMap {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `btype` is never read
[INFO] [stderr]   --> src/ast/variable.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct ConstDecl {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 29 |     pub btype: VarType,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ConstDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `minic` (bin "minic" test) generated 3 warnings (run `cargo fix --bin "minic" -p minic --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minic-a5fb1b3d548afacc)
[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" "d6dbe3c15f4e12abc63ccf3ee3f93d09c860575d91751dd9edb51570b541e48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6dbe3c15f4e12abc63ccf3ee3f93d09c860575d91751dd9edb51570b541e48c", kill_on_drop: false }`
[INFO] [stdout] d6dbe3c15f4e12abc63ccf3ee3f93d09c860575d91751dd9edb51570b541e48c