[INFO] cloning repository https://github.com/archer884/vchk [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/vchk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fvchk", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fvchk'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0cfd9061ebad437378fabd298698aa89784daf7 [INFO] testing archer884/vchk against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fvchk" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/archer884/vchk on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/archer884/vchk [INFO] finished tweaking git repo https://github.com/archer884/vchk [INFO] tweaked toml for git repo https://github.com/archer884/vchk written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/archer884/vchk already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "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] 51ceae6f5b645f226813f05056d9700ad405b176fac082844039eb5e20f940f2 [INFO] running `Command { std: "docker" "start" "-a" "51ceae6f5b645f226813f05056d9700ad405b176fac082844039eb5e20f940f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51ceae6f5b645f226813f05056d9700ad405b176fac082844039eb5e20f940f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51ceae6f5b645f226813f05056d9700ad405b176fac082844039eb5e20f940f2", kill_on_drop: false }` [INFO] [stdout] 51ceae6f5b645f226813f05056d9700ad405b176fac082844039eb5e20f940f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2467df1852d1c74ecb47818ae37eec20e739c103a525ccd0774b9dd85f37fa22 [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" "2467df1852d1c74ecb47818ae37eec20e739c103a525ccd0774b9dd85f37fa22", kill_on_drop: false }` [INFO] [stderr] Compiling vchk v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::io::BufReadExt` [INFO] [stdout] --> src/main.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufReader, BufReadExt}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | no `BufReadExt` in `io` [INFO] [stdout] | help: a similar name exists in the module: `BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(box_syntax, env, fs, io, path)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:24:27 [INFO] [stdout] | [INFO] [stdout] 24 | fn print_count(words: Box>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | fn print_words(words: Box>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:34:44 [INFO] [stdout] | [INFO] [stdout] 34 | fn get_words<'a>(req_ordered: bool) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `lines` found for struct `BufReader` in the current scope [INFO] [stdout] --> src/main.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | .lines() [INFO] [stdout] | ^^^^^ method not found in `BufReader` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::BufRead; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `vchk` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "2467df1852d1c74ecb47818ae37eec20e739c103a525ccd0774b9dd85f37fa22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2467df1852d1c74ecb47818ae37eec20e739c103a525ccd0774b9dd85f37fa22", kill_on_drop: false }` [INFO] [stdout] 2467df1852d1c74ecb47818ae37eec20e739c103a525ccd0774b9dd85f37fa22