[INFO] fetching crate stemjail 0.4.1...
[INFO] testing stemjail-0.4.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate stemjail 0.4.1 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate stemjail 0.4.1 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 crates.io crate stemjail 0.4.1
[INFO] finished tweaking crates.io crate stemjail 0.4.1
[INFO] tweaked toml for crates.io crate stemjail 0.4.1 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded bincode v0.5.9
[INFO] [stderr]   Downloaded tty v0.4.5
[INFO] [stderr]   Downloaded serde v0.7.15
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded fdpass v0.1.0
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded stemflow v0.5.3
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] [stderr]   Downloaded toml v0.1.30
[INFO] [stderr]   Downloaded fd v0.2.3
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded mnt v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] f51d48cdb119c5796235bfe16c84dc8c4d09600f5093c4e93b9a29044850985a
[INFO] running `Command { std: "docker" "start" "-a" "f51d48cdb119c5796235bfe16c84dc8c4d09600f5093c4e93b9a29044850985a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f51d48cdb119c5796235bfe16c84dc8c4d09600f5093c4e93b9a29044850985a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51d48cdb119c5796235bfe16c84dc8c4d09600f5093c4e93b9a29044850985a", kill_on_drop: false }`
[INFO] [stdout] f51d48cdb119c5796235bfe16c84dc8c4d09600f5093c4e93b9a29044850985a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 7b996083c0f0a627f71f5e85de037544a837923ea4966fddde96501d8d699d0d
[INFO] running `Command { std: "docker" "start" "-a" "7b996083c0f0a627f71f5e85de037544a837923ea4966fddde96501d8d699d0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling fd v0.2.3
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling mnt v0.3.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling stemflow v0.5.3
[INFO] [stderr]    Compiling tty v0.4.5
[INFO] [stderr]    Compiling fdpass v0.1.0
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stemflow-0.5.3/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate collections;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stemflow` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/tty-0.4.5/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(process_exec)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7b996083c0f0a627f71f5e85de037544a837923ea4966fddde96501d8d699d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b996083c0f0a627f71f5e85de037544a837923ea4966fddde96501d8d699d0d", kill_on_drop: false }`
[INFO] [stdout] 7b996083c0f0a627f71f5e85de037544a837923ea4966fddde96501d8d699d0d
