[INFO] cloning repository https://github.com/salmern/rust_tut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/salmern/rust_tut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalmern%2Frust_tut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalmern%2Frust_tut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f92093031ad74fd3c9f5df0b068fd331c06105b
[INFO] testing salmern/rust_tut against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalmern%2Frust_tut" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/salmern/rust_tut
[INFO] finished tweaking git repo https://github.com/salmern/rust_tut
[INFO] tweaked toml for git repo https://github.com/salmern/rust_tut written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/salmern/rust_tut on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/salmern/rust_tut 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cddc2f6690fe353ebc325254fa4bdd9e07ad1cebd4fe408144cb26c1703fffe5
[INFO] running `Command { std: "docker" "start" "-a" "cddc2f6690fe353ebc325254fa4bdd9e07ad1cebd4fe408144cb26c1703fffe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cddc2f6690fe353ebc325254fa4bdd9e07ad1cebd4fe408144cb26c1703fffe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cddc2f6690fe353ebc325254fa4bdd9e07ad1cebd4fe408144cb26c1703fffe5", kill_on_drop: false }`
[INFO] [stdout] cddc2f6690fe353ebc325254fa4bdd9e07ad1cebd4fe408144cb26c1703fffe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7cfb5e145f7627546b77132834336244e9012e74d1ada20ee374901591bf57
[INFO] running `Command { std: "docker" "start" "-a" "8d7cfb5e145f7627546b77132834336244e9012e74d1ada20ee374901591bf57", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Red` and `Blue` are never constructed
[INFO] [stdout]   --> src/bin/enum.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Direction{
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 25 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |    Green,
[INFO] [stdout] 27 |    Blue,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Director` and `Worker` are never constructed
[INFO] [stdout]  --> src/bin/derive.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Position{
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     Manager,
[INFO] [stdout] 4 |     Director,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     Worker
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` 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 `work_hour` is never read
[INFO] [stdout]   --> src/bin/derive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Employee{
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout]  9 |     position: Position,
[INFO] [stdout] 10 |     work_hour: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "8d7cfb5e145f7627546b77132834336244e9012e74d1ada20ee374901591bf57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7cfb5e145f7627546b77132834336244e9012e74d1ada20ee374901591bf57", kill_on_drop: false }`
[INFO] [stdout] 8d7cfb5e145f7627546b77132834336244e9012e74d1ada20ee374901591bf57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4248bdcf02a266dd3839436264d325d5fcf4b5b601cdc07b54cf3d32ef23f57e
[INFO] running `Command { std: "docker" "start" "-a" "4248bdcf02a266dd3839436264d325d5fcf4b5b601cdc07b54cf3d32ef23f57e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Director` and `Worker` are never constructed
[INFO] [stdout]  --> src/bin/derive.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Position{
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     Manager,
[INFO] [stdout] 4 |     Director,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     Worker
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` 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 `work_hour` is never read
[INFO] [stdout]   --> src/bin/derive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Employee{
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout]  9 |     position: Position,
[INFO] [stdout] 10 |     work_hour: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4248bdcf02a266dd3839436264d325d5fcf4b5b601cdc07b54cf3d32ef23f57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4248bdcf02a266dd3839436264d325d5fcf4b5b601cdc07b54cf3d32ef23f57e", kill_on_drop: false }`
[INFO] [stdout] 4248bdcf02a266dd3839436264d325d5fcf4b5b601cdc07b54cf3d32ef23f57e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c12955f76d891d32348fadaa3774c88684cee0bcf924f2641b51ce809da51e17
[INFO] running `Command { std: "docker" "start" "-a" "c12955f76d891d32348fadaa3774c88684cee0bcf924f2641b51ce809da51e17", kill_on_drop: false }`
[INFO] [stderr] warning: variants `Director` and `Worker` are never constructed
[INFO] [stderr]  --> src/bin/derive.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Position{
[INFO] [stderr]   |      -------- variants in this enum
[INFO] [stderr] 3 |     Manager,
[INFO] [stderr] 4 |     Director,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     Worker
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Position` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `work_hour` is never read
[INFO] [stderr]   --> src/bin/derive.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | struct Employee{
[INFO] [stderr]    |        -------- field in this struct
[INFO] [stderr]  9 |     position: Position,
[INFO] [stderr] 10 |     work_hour: i32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_tut` (bin "derive" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/bin/derive.rs (/opt/rustwide/target/debug/deps/derive-a2b3b14bbda7bd30)
[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] [stderr]      Running unittests src/bin/enum.rs (/opt/rustwide/target/debug/deps/enum-b164f41e6931f8ae)
[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] [stderr]      Running unittests src/bin/impl.rs (/opt/rustwide/target/debug/deps/impl-b9cb8d7816f8596c)
[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] [stderr]      Running unittests src/bin/match.rs (/opt/rustwide/target/debug/deps/match-fb5c86a21f787719)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/option.rs (/opt/rustwide/target/debug/deps/option-34ede37f3ee3a3a6)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/bin/ownership_borrowing.rs (/opt/rustwide/target/debug/deps/ownership_borrowing-c18ba46c616399e2)
[INFO] [stdout] 
[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] [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] [stderr]      Running unittests src/bin/result.rs (/opt/rustwide/target/debug/deps/result-abd2003c584f158a)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tut-477666a6de29911d)
[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] [stderr]      Running unittests src/bin/string_str.rs (/opt/rustwide/target/debug/deps/string_str-91cfe6c289e4f72a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/struct.rs (/opt/rustwide/target/debug/deps/struct-dfb11815fe655acd)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]      Running unittests src/bin/turple.rs (/opt/rustwide/target/debug/deps/turple-b39b776acc0cd69e)
[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] [stderr]      Running unittests src/bin/vec.rs (/opt/rustwide/target/debug/deps/vec-47a2db9638f1e81a)
[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" "c12955f76d891d32348fadaa3774c88684cee0bcf924f2641b51ce809da51e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12955f76d891d32348fadaa3774c88684cee0bcf924f2641b51ce809da51e17", kill_on_drop: false }`
[INFO] [stdout] c12955f76d891d32348fadaa3774c88684cee0bcf924f2641b51ce809da51e17