[INFO] cloning repository https://github.com/hello-wahyu/basic_ir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hello-wahyu/basic_ir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhello-wahyu%2Fbasic_ir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhello-wahyu%2Fbasic_ir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81a3a40f0e30c9a5520030a10a25910714f09fc1
[INFO] testing hello-wahyu/basic_ir against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhello-wahyu%2Fbasic_ir" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hello-wahyu/basic_ir on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hello-wahyu/basic_ir
[INFO] finished tweaking git repo https://github.com/hello-wahyu/basic_ir
[INFO] tweaked toml for git repo https://github.com/hello-wahyu/basic_ir written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hello-wahyu/basic_ir 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v2.2.2
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded lazy-regex v2.2.2
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb5120712a6d3bfb0ac982c5fa69f1c732fa4cdc222791fe08d933ae6671880f
[INFO] running `Command { std: "docker" "start" "-a" "fb5120712a6d3bfb0ac982c5fa69f1c732fa4cdc222791fe08d933ae6671880f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5120712a6d3bfb0ac982c5fa69f1c732fa4cdc222791fe08d933ae6671880f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5120712a6d3bfb0ac982c5fa69f1c732fa4cdc222791fe08d933ae6671880f", kill_on_drop: false }`
[INFO] [stdout] fb5120712a6d3bfb0ac982c5fa69f1c732fa4cdc222791fe08d933ae6671880f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b8a2831a849a1913eee03c499c631d8dedc392da16bfb5de87b788c631df22
[INFO] running `Command { std: "docker" "start" "-a" "f9b8a2831a849a1913eee03c499c631d8dedc392da16bfb5de87b788c631df22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.2.2
[INFO] [stderr]    Compiling lazy-regex v2.2.2
[INFO] [stderr]    Compiling basic_ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `file_text` and `pos_end` are never read
[INFO] [stdout]  --> src/core/lexer/errors.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Error {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     file_name: String,
[INFO] [stdout] 5 |     file_text: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pos_end: pos::Position,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/core/parser/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Parser {}
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "f9b8a2831a849a1913eee03c499c631d8dedc392da16bfb5de87b788c631df22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b8a2831a849a1913eee03c499c631d8dedc392da16bfb5de87b788c631df22", kill_on_drop: false }`
[INFO] [stdout] f9b8a2831a849a1913eee03c499c631d8dedc392da16bfb5de87b788c631df22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91b265f3bdda5d92f7348303f7acf3a267cc9f3690e30d70072dfe6eddd86eba
[INFO] running `Command { std: "docker" "start" "-a" "91b265f3bdda5d92f7348303f7acf3a267cc9f3690e30d70072dfe6eddd86eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `file_text` and `pos_end` are never read
[INFO] [stdout]  --> src/core/lexer/errors.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Error {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     file_name: String,
[INFO] [stdout] 5 |     file_text: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pos_end: pos::Position,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/core/parser/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Parser {}
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "91b265f3bdda5d92f7348303f7acf3a267cc9f3690e30d70072dfe6eddd86eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b265f3bdda5d92f7348303f7acf3a267cc9f3690e30d70072dfe6eddd86eba", kill_on_drop: false }`
[INFO] [stdout] 91b265f3bdda5d92f7348303f7acf3a267cc9f3690e30d70072dfe6eddd86eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6354e9b2db54a414d300fbafecff2c40383916d4f6683bbd60242af09d8579bf
[INFO] running `Command { std: "docker" "start" "-a" "6354e9b2db54a414d300fbafecff2c40383916d4f6683bbd60242af09d8579bf", kill_on_drop: false }`
[INFO] [stderr] warning: fields `file_text` and `pos_end` are never read
[INFO] [stderr]  --> src/core/lexer/errors.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Error {
[INFO] [stderr]   |            ----- fields in this struct
[INFO] [stderr] 4 |     file_name: String,
[INFO] [stderr] 5 |     file_text: String,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 8 |     pos_end: pos::Position,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Parser` is never constructed
[INFO] [stderr]  --> src/core/parser/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Parser {}
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `basic_ir` (bin "basic_ir" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/basic_ir-69099951fa990121)
[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" "6354e9b2db54a414d300fbafecff2c40383916d4f6683bbd60242af09d8579bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6354e9b2db54a414d300fbafecff2c40383916d4f6683bbd60242af09d8579bf", kill_on_drop: false }`
[INFO] [stdout] 6354e9b2db54a414d300fbafecff2c40383916d4f6683bbd60242af09d8579bf