[INFO] cloning repository https://github.com/justinlatimer/sassaurs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinlatimer/sassaurs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinlatimer%2Fsassaurs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinlatimer%2Fsassaurs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b141baa7824344ee250889041b8ae38659c94699
[INFO] testing justinlatimer/sassaurs against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinlatimer%2Fsassaurs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinlatimer/sassaurs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justinlatimer/sassaurs
[INFO] finished tweaking git repo https://github.com/justinlatimer/sassaurs
[INFO] tweaked toml for git repo https://github.com/justinlatimer/sassaurs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/justinlatimer/sassaurs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kernel32-sys v0.1.2
[INFO] [stderr]   Downloaded memchr v0.1.3
[INFO] [stderr]   Downloaded regex_macros v0.1.21
[INFO] [stderr]   Downloaded strsim v0.3.0
[INFO] [stderr]   Downloaded docopt v0.6.67
[INFO] [stderr]   Downloaded littletest v0.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.3.0
[INFO] [stderr]   Downloaded docopt_macros v0.6.67
[INFO] [stderr]   Downloaded regex-syntax v0.2.0
[INFO] [stderr]   Downloaded time v0.1.31
[INFO] [stderr]   Downloaded threadpool v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 309049cba2f3a79f081bde919e7152652d04164e37dbe8b07c1e956a3d002b81
[INFO] running `Command { std: "docker" "start" "-a" "309049cba2f3a79f081bde919e7152652d04164e37dbe8b07c1e956a3d002b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "309049cba2f3a79f081bde919e7152652d04164e37dbe8b07c1e956a3d002b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309049cba2f3a79f081bde919e7152652d04164e37dbe8b07c1e956a3d002b81", kill_on_drop: false }`
[INFO] [stdout] 309049cba2f3a79f081bde919e7152652d04164e37dbe8b07c1e956a3d002b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e86708444c88a90766d21129df11ecf9a8471f67f0c4b4d69d2a465f453f8f
[INFO] running `Command { std: "docker" "start" "-a" "89e86708444c88a90766d21129df11ecf9a8471f67f0c4b4d69d2a465f453f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.1.8
[INFO] [stderr]    Compiling winapi-build v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.2.0
[INFO] [stderr]    Compiling winapi v0.2.1
[INFO] [stderr]    Compiling strsim v0.3.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.15
[INFO] [stderr]    Compiling threadpool v0.1.4
[INFO] [stderr]    Compiling glob v0.2.10
[INFO] [stdout] error[E0432]: unresolved import `std::thread::JoinGuard`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/threadpool-0.1.4/src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::thread::JoinGuard;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ no `JoinGuard` in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `scoped` in module `thread`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/threadpool-0.1.4/src/lib.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |     thread::scoped(move || {
[INFO] [stdout]     |             ^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/threadpool-0.1.4/src/lib.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(feature = "scoped-pool", feature(scoped))]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `threadpool` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:201:41
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "89e86708444c88a90766d21129df11ecf9a8471f67f0c4b4d69d2a465f453f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e86708444c88a90766d21129df11ecf9a8471f67f0c4b4d69d2a465f453f8f", kill_on_drop: false }`
[INFO] [stdout] 89e86708444c88a90766d21129df11ecf9a8471f67f0c4b4d69d2a465f453f8f
