[INFO] fetching crate useful_macro 0.2.29...
[INFO] testing useful_macro-0.2.29 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate useful_macro 0.2.29 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate useful_macro 0.2.29
[INFO] finished tweaking crates.io crate useful_macro 0.2.29
[INFO] tweaked toml for crates.io crate useful_macro 0.2.29 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate useful_macro 0.2.29 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 crates.io crate useful_macro 0.2.29 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] [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d6aa61b1bfc4cf15666a150c21e74b7656de4f030a30088d531dd7dac7c63531
[INFO] running `Command { std: "docker" "start" "-a" "d6aa61b1bfc4cf15666a150c21e74b7656de4f030a30088d531dd7dac7c63531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6aa61b1bfc4cf15666a150c21e74b7656de4f030a30088d531dd7dac7c63531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6aa61b1bfc4cf15666a150c21e74b7656de4f030a30088d531dd7dac7c63531", kill_on_drop: false }`
[INFO] [stdout] d6aa61b1bfc4cf15666a150c21e74b7656de4f030a30088d531dd7dac7c63531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 612a87708971b8fb8e94362b3dd6f6e3e6236648abac8d8d9e371bcbb060eabe
[INFO] running `Command { std: "docker" "start" "-a" "612a87708971b8fb8e94362b3dd6f6e3e6236648abac8d8d9e371bcbb060eabe", kill_on_drop: false }`
[INFO] [stderr]    Compiling useful_macro v0.2.29 (/opt/rustwide/workdir)
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:550:10
[INFO] [stdout]     |
[INFO] [stdout] 550 |         };};
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 915 |         command!("lsd");            
[INFO] [stdout]     |         --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this error originates in the macro `vec_element_clone` which comes from the expansion of the macro `command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `useful_macro` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "612a87708971b8fb8e94362b3dd6f6e3e6236648abac8d8d9e371bcbb060eabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612a87708971b8fb8e94362b3dd6f6e3e6236648abac8d8d9e371bcbb060eabe", kill_on_drop: false }`
[INFO] [stdout] 612a87708971b8fb8e94362b3dd6f6e3e6236648abac8d8d9e371bcbb060eabe