[INFO] fetching crate cargo-xbuild 0.6.5...
[INFO] checking cargo-xbuild-0.6.5 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate cargo-xbuild 0.6.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cargo-xbuild 0.6.5 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-xbuild 0.6.5
[INFO] finished tweaking crates.io crate cargo-xbuild 0.6.5
[INFO] tweaked toml for crates.io crate cargo-xbuild 0.6.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cargo-xbuild 0.6.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b648508eeab305449903361af2bdae357874a2120c7cf70ad976ab6ffcc46b21
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b648508eeab305449903361af2bdae357874a2120c7cf70ad976ab6ffcc46b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b648508eeab305449903361af2bdae357874a2120c7cf70ad976ab6ffcc46b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b648508eeab305449903361af2bdae357874a2120c7cf70ad976ab6ffcc46b21", kill_on_drop: false }`
[INFO] [stdout] b648508eeab305449903361af2bdae357874a2120c7cf70ad976ab6ffcc46b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c394fbc248d4e1b7b2eb443672710c7cb523c28bf4248d0205b8aba9ecd70b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c394fbc248d4e1b7b2eb443672710c7cb523c28bf4248d0205b8aba9ecd70b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling cargo-xbuild v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking cargo_metadata v0.11.4
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> src/rustc.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |                       None => bail!(
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 105 | |                         "target file name {:?} is empty or contains invalid unicode",
[INFO] [stdout] 106 | |                         json
[INFO] [stdout] 107 | |                     ),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> src/rustc.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |                       None => bail!(
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 105 | |                         "target file name {:?} is empty or contains invalid unicode",
[INFO] [stdout] 106 | |                         json
[INFO] [stdout] 107 | |                     ),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-xbuild`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5c394fbc248d4e1b7b2eb443672710c7cb523c28bf4248d0205b8aba9ecd70b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c394fbc248d4e1b7b2eb443672710c7cb523c28bf4248d0205b8aba9ecd70b3", kill_on_drop: false }`
[INFO] [stdout] 5c394fbc248d4e1b7b2eb443672710c7cb523c28bf4248d0205b8aba9ecd70b3