[INFO] fetching crate preftool-dirs 0.2.0...
[INFO] testing preftool-dirs-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate preftool-dirs 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate preftool-dirs 0.2.0
[INFO] finished tweaking crates.io crate preftool-dirs 0.2.0
[INFO] tweaked toml for crates.io crate preftool-dirs 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate preftool-dirs 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.3)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.3)
[INFO] [stderr]       Adding dirs-sys v0.1.0 (available: v0.5.0)
[INFO] [stderr]       Adding slog-stdlog v3.0.5 (available: v4.1.1)
[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] e5857f865f1f2e16d02837a8d5f19babe11f25909dc72c47207b49158b693f88
[INFO] running `Command { std: "docker" "start" "-a" "e5857f865f1f2e16d02837a8d5f19babe11f25909dc72c47207b49158b693f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5857f865f1f2e16d02837a8d5f19babe11f25909dc72c47207b49158b693f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5857f865f1f2e16d02837a8d5f19babe11f25909dc72c47207b49158b693f88", kill_on_drop: false }`
[INFO] [stdout] e5857f865f1f2e16d02837a8d5f19babe11f25909dc72c47207b49158b693f88
[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] ed3993186dc5116d60f40f10c411930235565ecb15e93b450c210b6071ccd773
[INFO] running `Command { std: "docker" "start" "-a" "ed3993186dc5116d60f40f10c411930235565ecb15e93b450c210b6071ccd773", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling dirs-sys v0.1.0
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling caseless v0.2.2
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling preftool v0.2.0
[INFO] [stderr]    Compiling preftool-dirs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: no rules expected `:`
[INFO] [stdout]   --> src/lib.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 16 |   macro_rules! vec_opt {
[INFO] [stdout]    |   -------------------- when calling this macro
[INFO] [stdout] ...
[INFO] [stdout] 22 |       1 + vec_opt!(__count $($value:expr,)*)
[INFO] [stdout]    |                                    ^ no rules expected this token in macro call
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lin.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let dirs = vec_opt!(
[INFO] [stdout]    |  ______________-
[INFO] [stdout] 19 | |     // XDG config path
[INFO] [stdout] 20 | |     env::var_os("XDG_CONFIG_HOME")
[INFO] [stdout] 21 | |       .and_then(dirs_sys::is_absolute_path)
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |       .map(|home_dir| home_dir.join(".config").join(&application)),
[INFO] [stdout] 27 | |   );
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match `,`
[INFO] [stdout]   --> src/lib.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |   (__count $_fst:expr, $($value:expr,)*) => {
[INFO] [stdout]    |                      ^
[INFO] [stdout]    = note: this error originates in the macro `vec_opt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `preftool-dirs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ed3993186dc5116d60f40f10c411930235565ecb15e93b450c210b6071ccd773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3993186dc5116d60f40f10c411930235565ecb15e93b450c210b6071ccd773", kill_on_drop: false }`
[INFO] [stdout] ed3993186dc5116d60f40f10c411930235565ecb15e93b450c210b6071ccd773