[INFO] cloning repository https://github.com/reshane/rbfi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reshane/rbfi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Frbfi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Frbfi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a9f97d2dfdaeeb9794225d862ca981d2ab83cd3
[INFO] building reshane/rbfi against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Frbfi" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reshane/rbfi on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reshane/rbfi
[INFO] finished tweaking git repo https://github.com/reshane/rbfi
[INFO] tweaked toml for git repo https://github.com/reshane/rbfi written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/reshane/rbfi 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29c927e19df66aba41669f1614ce9b0070311f7802d6292ea183fa4bce34183d
[INFO] running `Command { std: "docker" "start" "-a" "29c927e19df66aba41669f1614ce9b0070311f7802d6292ea183fa4bce34183d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29c927e19df66aba41669f1614ce9b0070311f7802d6292ea183fa4bce34183d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c927e19df66aba41669f1614ce9b0070311f7802d6292ea183fa4bce34183d", kill_on_drop: false }`
[INFO] [stdout] 29c927e19df66aba41669f1614ce9b0070311f7802d6292ea183fa4bce34183d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1375e202a2530e812b545778c41ab8fc96f9402bef282e4ba44f68ffa671ae57
[INFO] running `Command { std: "docker" "start" "-a" "1375e202a2530e812b545778c41ab8fc96f9402bef282e4ba44f68ffa671ae57", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbfi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `pc` is never read
[INFO] [stdout]   --> src/main.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 pc -= 1;
[INFO] [stdout]    |                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "1375e202a2530e812b545778c41ab8fc96f9402bef282e4ba44f68ffa671ae57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1375e202a2530e812b545778c41ab8fc96f9402bef282e4ba44f68ffa671ae57", kill_on_drop: false }`
[INFO] [stdout] 1375e202a2530e812b545778c41ab8fc96f9402bef282e4ba44f68ffa671ae57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de189a189525655c61a0901bbbcafbdc75b4af7c732cc7894c1ec2a717281312
[INFO] running `Command { std: "docker" "start" "-a" "de189a189525655c61a0901bbbcafbdc75b4af7c732cc7894c1ec2a717281312", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbfi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `pc` is never read
[INFO] [stdout]   --> src/main.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 pc -= 1;
[INFO] [stdout]    |                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "de189a189525655c61a0901bbbcafbdc75b4af7c732cc7894c1ec2a717281312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de189a189525655c61a0901bbbcafbdc75b4af7c732cc7894c1ec2a717281312", kill_on_drop: false }`
[INFO] [stdout] de189a189525655c61a0901bbbcafbdc75b4af7c732cc7894c1ec2a717281312