[INFO] cloning repository https://github.com/alanhoff/rackety
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alanhoff/rackety" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5246599e0f2797789def4f11d1d8cb6b16650a6
[INFO] testing alanhoff/rackety against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alanhoff/rackety on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alanhoff/rackety
[INFO] finished tweaking git repo https://github.com/alanhoff/rackety
[INFO] tweaked toml for git repo https://github.com/alanhoff/rackety written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/alanhoff/rackety already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ae716040025c77e7fea78942a4c5cc2d64ea0fb1dac59b101255747d41475af
[INFO] running `Command { std: "docker" "start" "-a" "9ae716040025c77e7fea78942a4c5cc2d64ea0fb1dac59b101255747d41475af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae716040025c77e7fea78942a4c5cc2d64ea0fb1dac59b101255747d41475af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae716040025c77e7fea78942a4c5cc2d64ea0fb1dac59b101255747d41475af", kill_on_drop: false }`
[INFO] [stdout] 9ae716040025c77e7fea78942a4c5cc2d64ea0fb1dac59b101255747d41475af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee902d05a4cafe50582ef19516194e6f9180cb23e4b81a0453816529648ca15
[INFO] running `Command { std: "docker" "start" "-a" "8ee902d05a4cafe50582ef19516194e6f9180cb23e4b81a0453816529648ca15", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling slog v1.3.2
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.3.2/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout] note: required by a bound in `SyncSerialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.3.2/src/ser.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ^^^^ required by this bound in `SyncSerialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8ee902d05a4cafe50582ef19516194e6f9180cb23e4b81a0453816529648ca15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee902d05a4cafe50582ef19516194e6f9180cb23e4b81a0453816529648ca15", kill_on_drop: false }`
[INFO] [stdout] 8ee902d05a4cafe50582ef19516194e6f9180cb23e4b81a0453816529648ca15