[INFO] cloning repository https://github.com/stezu/word-friends-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stezu/word-friends-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstezu%2Fword-friends-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstezu%2Fword-friends-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 025767445897dd27687550f936d9c7bb0f50f5ac [INFO] testing stezu/word-friends-rust 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%2Fstezu%2Fword-friends-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stezu/word-friends-rust 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/stezu/word-friends-rust [INFO] finished tweaking git repo https://github.com/stezu/word-friends-rust [INFO] tweaked toml for git repo https://github.com/stezu/word-friends-rust written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/stezu/word-friends-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] edea9922e3cbaacd398e964d2f6513f7f5e8039059bc9a71a064cb07638ebc9d [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" "edea9922e3cbaacd398e964d2f6513f7f5e8039059bc9a71a064cb07638ebc9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edea9922e3cbaacd398e964d2f6513f7f5e8039059bc9a71a064cb07638ebc9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edea9922e3cbaacd398e964d2f6513f7f5e8039059bc9a71a064cb07638ebc9d", kill_on_drop: false }` [INFO] [stdout] edea9922e3cbaacd398e964d2f6513f7f5e8039059bc9a71a064cb07638ebc9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d2d51b426fe265d437aa8961d39cc310c9a5cf4ee26a9abfc6517997e7a0fd95 [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" "d2d51b426fe265d437aa8961d39cc310c9a5cf4ee26a9abfc6517997e7a0fd95", kill_on_drop: false }` [INFO] [stderr] Compiling word-friends-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | fn get_file_from_stdin() -> Result, Error> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [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:15:58 [INFO] [stdout] | [INFO] [stdout] 15 | fn get_file_from_filename(file_name: &str) -> Result, Error> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | fn parse_args() -> Option, Error>> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:46:30 [INFO] [stdout] | [INFO] [stdout] 46 | fn build_network(reader: Box) -> Network { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `word` [INFO] [stdout] --> src/network.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | word: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.63s [INFO] running `Command { std: "docker" "inspect" "d2d51b426fe265d437aa8961d39cc310c9a5cf4ee26a9abfc6517997e7a0fd95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2d51b426fe265d437aa8961d39cc310c9a5cf4ee26a9abfc6517997e7a0fd95", kill_on_drop: false }` [INFO] [stdout] d2d51b426fe265d437aa8961d39cc310c9a5cf4ee26a9abfc6517997e7a0fd95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 106f7ad1eeb50a35d2fed236dfb9edd25569f3992bac1179e72e940b7bb549a6 [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" "106f7ad1eeb50a35d2fed236dfb9edd25569f3992bac1179e72e940b7bb549a6", kill_on_drop: false }` [INFO] [stderr] Compiling word-friends-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | fn get_file_from_stdin() -> Result, Error> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [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:15:58 [INFO] [stdout] | [INFO] [stdout] 15 | fn get_file_from_filename(file_name: &str) -> Result, Error> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | fn parse_args() -> Option, Error>> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:46:30 [INFO] [stdout] | [INFO] [stdout] 46 | fn build_network(reader: Box) -> Network { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `word` [INFO] [stdout] --> src/network.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | word: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "106f7ad1eeb50a35d2fed236dfb9edd25569f3992bac1179e72e940b7bb549a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "106f7ad1eeb50a35d2fed236dfb9edd25569f3992bac1179e72e940b7bb549a6", kill_on_drop: false }` [INFO] [stdout] 106f7ad1eeb50a35d2fed236dfb9edd25569f3992bac1179e72e940b7bb549a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] da60b4a8e09aab287c409526938c9471e0fea33b89bfdf7abb64a70f0519a6eb [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" "da60b4a8e09aab287c409526938c9471e0fea33b89bfdf7abb64a70f0519a6eb", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:11:40 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 11 | fn get_file_from_stdin() -> Result, Error> { [INFO] [stdout] [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:15:58 [INFO] [stderr] | [INFO] [stderr] 15 | fn get_file_from_filename(file_name: &str) -> Result, Error> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:32:38 [INFO] [stderr] | [INFO] [stderr] 32 | fn parse_args() -> Option, Error>> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:46:30 [INFO] [stderr] | [INFO] [stderr] 46 | fn build_network(reader: Box) -> Network { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `word` [INFO] [stderr] --> src/network.rs:5:3 [INFO] [stderr] | [INFO] [stderr] 5 | word: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/word_friends_rust-dc9018d765d69382 [INFO] running `Command { std: "docker" "inspect" "da60b4a8e09aab287c409526938c9471e0fea33b89bfdf7abb64a70f0519a6eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da60b4a8e09aab287c409526938c9471e0fea33b89bfdf7abb64a70f0519a6eb", kill_on_drop: false }` [INFO] [stdout] da60b4a8e09aab287c409526938c9471e0fea33b89bfdf7abb64a70f0519a6eb