[INFO] cloning repository https://github.com/asmoaesl/keycrypt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asmoaesl/keycrypt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmoaesl%2Fkeycrypt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmoaesl%2Fkeycrypt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c78c499b14d06d9cb4bfd46cdaaf6450607c7c8
[INFO] testing asmoaesl/keycrypt against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmoaesl%2Fkeycrypt" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asmoaesl/keycrypt on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asmoaesl/keycrypt
[INFO] finished tweaking git repo https://github.com/asmoaesl/keycrypt
[INFO] tweaked toml for git repo https://github.com/asmoaesl/keycrypt written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/asmoaesl/keycrypt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 structopt v0.1.6
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11ef6a0344131903cb3110825f5dbfda420df0a210c9b13ceaca9584c3aae3ab
[INFO] running `Command { std: "docker" "start" "-a" "11ef6a0344131903cb3110825f5dbfda420df0a210c9b13ceaca9584c3aae3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11ef6a0344131903cb3110825f5dbfda420df0a210c9b13ceaca9584c3aae3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ef6a0344131903cb3110825f5dbfda420df0a210c9b13ceaca9584c3aae3ab", kill_on_drop: false }`
[INFO] [stdout] 11ef6a0344131903cb3110825f5dbfda420df0a210c9b13ceaca9584c3aae3ab
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1cfaf0c4820c990d8082630958e52c910b2c2ce67fba9b204cc70ef5c2a8233
[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" "c1cfaf0c4820c990d8082630958e52c910b2c2ce67fba9b204cc70ef5c2a8233", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling structopt v0.1.6
[INFO] [stderr]    Compiling keycrypt v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<&String>` in the current scope
[INFO] [stdout]    --> src/main.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         possibilites.remove_item(&possibility);
[INFO] [stdout]     |                                      ^^^^^^^^^^^ method not found in `Vec<&String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<&String>` in the current scope
[INFO] [stdout]    --> src/main.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         possibilites.remove_item(&possibility);
[INFO] [stdout]     |                                      ^^^^^^^^^^^ method not found in `Vec<&String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keycrypt` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c1cfaf0c4820c990d8082630958e52c910b2c2ce67fba9b204cc70ef5c2a8233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1cfaf0c4820c990d8082630958e52c910b2c2ce67fba9b204cc70ef5c2a8233", kill_on_drop: false }`
[INFO] [stdout] c1cfaf0c4820c990d8082630958e52c910b2c2ce67fba9b204cc70ef5c2a8233