[INFO] cloning repository https://github.com/terrelln/cs6120
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terrelln/cs6120" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrelln%2Fcs6120", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrelln%2Fcs6120'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1c1528ae5af014e3bae0d29768366b1b54824d6
[INFO] testing terrelln/cs6120 against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrelln%2Fcs6120" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terrelln/cs6120 on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/terrelln/cs6120
[INFO] finished tweaking git repo https://github.com/terrelln/cs6120
[INFO] tweaked toml for git repo https://github.com/terrelln/cs6120 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/terrelln/cs6120 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c84c8bce903964b88c0fe34fe3df35ea4f5ca723c308b23c69fe397ef4474aef
[INFO] running `Command { std: "docker" "start" "-a" "c84c8bce903964b88c0fe34fe3df35ea4f5ca723c308b23c69fe397ef4474aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c84c8bce903964b88c0fe34fe3df35ea4f5ca723c308b23c69fe397ef4474aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84c8bce903964b88c0fe34fe3df35ea4f5ca723c308b23c69fe397ef4474aef", kill_on_drop: false }`
[INFO] [stdout] c84c8bce903964b88c0fe34fe3df35ea4f5ca723c308b23c69fe397ef4474aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a4d8b7c88060a4e7ff86888f72ed82f1f186dab456d2b5361e469cb23d880d8
[INFO] running `Command { std: "docker" "start" "-a" "2a4d8b7c88060a4e7ff86888f72ed82f1f186dab456d2b5361e469cb23d880d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling cs6120 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.31s
[INFO] running `Command { std: "docker" "inspect" "2a4d8b7c88060a4e7ff86888f72ed82f1f186dab456d2b5361e469cb23d880d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4d8b7c88060a4e7ff86888f72ed82f1f186dab456d2b5361e469cb23d880d8", kill_on_drop: false }`
[INFO] [stdout] 2a4d8b7c88060a4e7ff86888f72ed82f1f186dab456d2b5361e469cb23d880d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143e3cfe145ba7ab528396afa4b147bad4c2600b76d4a884e87194156a226191
[INFO] running `Command { std: "docker" "start" "-a" "143e3cfe145ba7ab528396afa4b147bad4c2600b76d4a884e87194156a226191", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cs6120 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.61s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cs6120-29d1d73b52c5f6a7)
[INFO] [stderr]   Executable unittests src/bin/analysis.rs (/opt/rustwide/target/debug/deps/analysis-b607b09f58d2248f)
[INFO] [stderr]   Executable unittests src/bin/lvn.rs (/opt/rustwide/target/debug/deps/lvn-6dad587408270e13)
[INFO] [stderr]   Executable unittests src/bin/ssa.rs (/opt/rustwide/target/debug/deps/ssa-78e71da447a93ff9)
[INFO] [stderr]   Executable unittests src/bin/task1.rs (/opt/rustwide/target/debug/deps/task1-0558db612ccc62f2)
[INFO] [stderr]   Executable unittests src/bin/trivial-dce.rs (/opt/rustwide/target/debug/deps/trivial_dce-de7e3ae7d80a58cf)
[INFO] running `Command { std: "docker" "inspect" "143e3cfe145ba7ab528396afa4b147bad4c2600b76d4a884e87194156a226191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143e3cfe145ba7ab528396afa4b147bad4c2600b76d4a884e87194156a226191", kill_on_drop: false }`
[INFO] [stdout] 143e3cfe145ba7ab528396afa4b147bad4c2600b76d4a884e87194156a226191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e62a0d01ef05914ceebd435800bc19c791d7856a5e4c67743f894afe2b21cb6b
[INFO] running `Command { std: "docker" "start" "-a" "e62a0d01ef05914ceebd435800bc19c791d7856a5e4c67743f894afe2b21cb6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.55s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cs6120-29d1d73b52c5f6a7)
[INFO] [stderr]      Running unittests src/bin/analysis.rs (/opt/rustwide/target/debug/deps/analysis-b607b09f58d2248f)
[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] [stderr]      Running unittests src/bin/lvn.rs (/opt/rustwide/target/debug/deps/lvn-6dad587408270e13)
[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/ssa.rs (/opt/rustwide/target/debug/deps/ssa-78e71da447a93ff9)
[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/task1.rs (/opt/rustwide/target/debug/deps/task1-0558db612ccc62f2)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/trivial-dce.rs (/opt/rustwide/target/debug/deps/trivial_dce-de7e3ae7d80a58cf)
[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]    Doc-tests cs6120
[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] running `Command { std: "docker" "inspect" "e62a0d01ef05914ceebd435800bc19c791d7856a5e4c67743f894afe2b21cb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62a0d01ef05914ceebd435800bc19c791d7856a5e4c67743f894afe2b21cb6b", kill_on_drop: false }`
[INFO] [stdout] e62a0d01ef05914ceebd435800bc19c791d7856a5e4c67743f894afe2b21cb6b