[INFO] cloning repository https://github.com/richardbrodie/mercury [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardbrodie/mercury" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardbrodie%2Fmercury", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardbrodie%2Fmercury'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f0ae094a094cfabe1c87c3a1b4a259c0f2629aff [INFO] testing richardbrodie/mercury against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardbrodie%2Fmercury" "/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/richardbrodie/mercury on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/richardbrodie/mercury [INFO] finished tweaking git repo https://github.com/richardbrodie/mercury [INFO] tweaked toml for git repo https://github.com/richardbrodie/mercury written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/richardbrodie/mercury already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 dotenv v0.13.0 [INFO] [stderr] Downloaded safemem v0.3.0 [INFO] [stderr] Downloaded dirs v1.0.4 [INFO] [stderr] Downloaded pretty_env_logger v0.2.4 [INFO] [stderr] Downloaded linked-hash-map v0.5.1 [INFO] [stderr] Downloaded memchr v2.1.1 [INFO] [stderr] Downloaded termcolor v1.0.4 [INFO] [stderr] Downloaded redox_users v0.2.0 [INFO] [stderr] Downloaded failure v0.1.3 [INFO] [stderr] Downloaded failure_derive v0.1.3 [INFO] [stderr] Downloaded syn v0.15.15 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded serde_yaml v0.8.7 [INFO] [stderr] Downloaded yaml-rust v0.4.2 [INFO] [stderr] Downloaded ucd-util v0.1.2 [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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57832cd8eecf7a75e89b9de85d399b6cc6a158f3039076a9442fe7f23f8634ac [INFO] running `Command { std: "docker" "start" "-a" "57832cd8eecf7a75e89b9de85d399b6cc6a158f3039076a9442fe7f23f8634ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57832cd8eecf7a75e89b9de85d399b6cc6a158f3039076a9442fe7f23f8634ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57832cd8eecf7a75e89b9de85d399b6cc6a158f3039076a9442fe7f23f8634ac", kill_on_drop: false }` [INFO] [stdout] 57832cd8eecf7a75e89b9de85d399b6cc6a158f3039076a9442fe7f23f8634ac [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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab7fde6d95084e2fb526baa4166d29315a98e6e616e3166a318222d21c66351d [INFO] running `Command { std: "docker" "start" "-a" "ab7fde6d95084e2fb526baa4166d29315a98e6e616e3166a318222d21c66351d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling ucd-util v0.1.2 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling dirs v1.0.4 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling yaml-rust v0.4.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling quote v0.6.9 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling syn v0.15.15 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling pretty_env_logger v0.2.4 [INFO] [stderr] Compiling serde_json v1.0.32 [INFO] [stderr] Compiling serde_yaml v0.8.7 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling dotenv v0.13.0 [INFO] [stderr] Compiling mercury v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/types.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::{self, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Feed` [INFO] [stdout] --> src/types.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Feed { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Item` [INFO] [stdout] --> src/types.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Item { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/types.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | fs::create_dir(&self.feed_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.61s [INFO] running `Command { std: "docker" "inspect" "ab7fde6d95084e2fb526baa4166d29315a98e6e616e3166a318222d21c66351d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab7fde6d95084e2fb526baa4166d29315a98e6e616e3166a318222d21c66351d", kill_on_drop: false }` [INFO] [stdout] ab7fde6d95084e2fb526baa4166d29315a98e6e616e3166a318222d21c66351d [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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d203bdc0e5b6914f82598185c32533551c7f6dc31fa99d2113a16eeceb23146e [INFO] running `Command { std: "docker" "start" "-a" "d203bdc0e5b6914f82598185c32533551c7f6dc31fa99d2113a16eeceb23146e", kill_on_drop: false }` [INFO] [stderr] Compiling mercury v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/types.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::{self, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Feed` [INFO] [stdout] --> src/types.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Feed { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Item` [INFO] [stdout] --> src/types.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Item { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/types.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | fs::create_dir(&self.feed_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `Command { std: "docker" "inspect" "d203bdc0e5b6914f82598185c32533551c7f6dc31fa99d2113a16eeceb23146e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d203bdc0e5b6914f82598185c32533551c7f6dc31fa99d2113a16eeceb23146e", kill_on_drop: false }` [INFO] [stdout] d203bdc0e5b6914f82598185c32533551c7f6dc31fa99d2113a16eeceb23146e [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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 871f079f364048d3a1b800e6c2dcf450fbae29bfdd57acbf7710f7bab3ee9a96 [INFO] running `Command { std: "docker" "start" "-a" "871f079f364048d3a1b800e6c2dcf450fbae29bfdd57acbf7710f7bab3ee9a96", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `File` [INFO] [stderr] --> src/types.rs:3:21 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs::{self, File}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Feed` [INFO] [stderr] --> src/types.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Feed { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Item` [INFO] [stderr] --> src/types.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | pub struct Item { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/types.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | fs::create_dir(&self.feed_path); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `mercury` (bin "mercury" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mercury-c52971aab431c899) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "871f079f364048d3a1b800e6c2dcf450fbae29bfdd57acbf7710f7bab3ee9a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "871f079f364048d3a1b800e6c2dcf450fbae29bfdd57acbf7710f7bab3ee9a96", kill_on_drop: false }` [INFO] [stdout] 871f079f364048d3a1b800e6c2dcf450fbae29bfdd57acbf7710f7bab3ee9a96