[INFO] cloning repository https://github.com/cwbriones/markov_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwbriones/markov_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwbriones%2Fmarkov_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwbriones%2Fmarkov_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e7ac6d671a0bc6d3862e148db4efc7727f222a15 [INFO] testing cwbriones/markov_rs against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwbriones%2Fmarkov_rs" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cwbriones/markov_rs on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cwbriones/markov_rs [INFO] finished tweaking git repo https://github.com/cwbriones/markov_rs [INFO] tweaked toml for git repo https://github.com/cwbriones/markov_rs written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/cwbriones/markov_rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f04936fde043dbc8c8374365434846a0e7a25cfad895f3c8a94c5b9dc279cc8 [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" "2f04936fde043dbc8c8374365434846a0e7a25cfad895f3c8a94c5b9dc279cc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f04936fde043dbc8c8374365434846a0e7a25cfad895f3c8a94c5b9dc279cc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f04936fde043dbc8c8374365434846a0e7a25cfad895f3c8a94c5b9dc279cc8", kill_on_drop: false }` [INFO] [stdout] 2f04936fde043dbc8c8374365434846a0e7a25cfad895f3c8a94c5b9dc279cc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cdb2455d524ac735397d90740b5113bc252ee4b76322799066c2618af7fdb15b [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" "cdb2455d524ac735397d90740b5113bc252ee4b76322799066c2618af7fdb15b", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.1 [INFO] [stderr] Compiling markov_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `rand::Closed01` [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | use rand::Closed01; [INFO] [stdout] | ^^^^^^^^^^^^^^ no `Closed01` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `choose` found for mutable reference `&mut R` in the current scope [INFO] [stdout] --> src/main.rs:75:26 [INFO] [stdout] | [INFO] [stdout] 75 | let window = rng.choose(&windows).map(|w| *w).unwrap(); [INFO] [stdout] | ^^^^^^ method not found in `&mut R` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the type parameter is bounded by the trait [INFO] [stdout] help: the following traits define an item `choose`, perhaps you need to restrict type parameter `R` with one of them: [INFO] [stdout] | [INFO] [stdout] 73 | fn choose_seed(&self, rng: &mut R) -> Vec<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 73 | fn choose_seed(&self, rng: &mut R) -> Vec<&str> { [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: E0432, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `markov_rust` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "cdb2455d524ac735397d90740b5113bc252ee4b76322799066c2618af7fdb15b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdb2455d524ac735397d90740b5113bc252ee4b76322799066c2618af7fdb15b", kill_on_drop: false }` [INFO] [stdout] cdb2455d524ac735397d90740b5113bc252ee4b76322799066c2618af7fdb15b