[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardbrodie%2Fmercury" "/workspace/builds/worker-113/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/richardbrodie/mercury on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-113/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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 pretty_env_logger v0.2.4 [INFO] [stderr] Downloaded ucd-util v0.1.2 [INFO] [stderr] Downloaded syn v0.15.15 [INFO] [stderr] Downloaded serde_yaml v0.8.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51d9c9aa566a54d28a94537ef04f215188b1a7850403f7a32fa91325a40ddfb4 [INFO] running `Command { std: "docker" "start" "-a" "51d9c9aa566a54d28a94537ef04f215188b1a7850403f7a32fa91325a40ddfb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51d9c9aa566a54d28a94537ef04f215188b1a7850403f7a32fa91325a40ddfb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51d9c9aa566a54d28a94537ef04f215188b1a7850403f7a32fa91325a40ddfb4", kill_on_drop: false }` [INFO] [stdout] 51d9c9aa566a54d28a94537ef04f215188b1a7850403f7a32fa91325a40ddfb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44740baf8b3596b8dd119fdff326d2df9c51162ea94056b056c58ee60c9b93a3 [INFO] running `Command { std: "docker" "start" "-a" "44740baf8b3596b8dd119fdff326d2df9c51162ea94056b056c58ee60c9b93a3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling ucd-util v0.1.2 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling linked-hash-map v0.5.1 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling yaml-rust v0.4.2 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling dirs v1.0.4 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling quote v0.6.9 [INFO] [stderr] Compiling serde_json v1.0.32 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling serde_yaml v0.8.7 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling syn v0.15.15 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling pretty_env_logger v0.2.4 [INFO] [stderr] Compiling synstructure v0.10.1 [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 1m 36s [INFO] running `Command { std: "docker" "inspect" "44740baf8b3596b8dd119fdff326d2df9c51162ea94056b056c58ee60c9b93a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44740baf8b3596b8dd119fdff326d2df9c51162ea94056b056c58ee60c9b93a3", kill_on_drop: false }` [INFO] [stdout] 44740baf8b3596b8dd119fdff326d2df9c51162ea94056b056c58ee60c9b93a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45c94f2765b7a84ca225a78a56beaf90b841482b99b7c31ef5163c284629f481 [INFO] running `Command { std: "docker" "start" "-a" "45c94f2765b7a84ca225a78a56beaf90b841482b99b7c31ef5163c284629f481", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 1.44s [INFO] running `Command { std: "docker" "inspect" "45c94f2765b7a84ca225a78a56beaf90b841482b99b7c31ef5163c284629f481", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45c94f2765b7a84ca225a78a56beaf90b841482b99b7c31ef5163c284629f481", kill_on_drop: false }` [INFO] [stdout] 45c94f2765b7a84ca225a78a56beaf90b841482b99b7c31ef5163c284629f481 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f2605c98fc16162146d60737420dba06005c818fe1915d3429a424fc5dc5abd9 [INFO] running `Command { std: "docker" "start" "-a" "f2605c98fc16162146d60737420dba06005c818fe1915d3429a424fc5dc5abd9", 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] [stdout] [INFO] [stderr] warning: unused import: `File` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/types.rs:3:21 [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] 3 | use std::fs::{self, File}; [INFO] [stdout] [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 1.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mercury-fcdaa096015cb7bd) [INFO] running `Command { std: "docker" "inspect" "f2605c98fc16162146d60737420dba06005c818fe1915d3429a424fc5dc5abd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2605c98fc16162146d60737420dba06005c818fe1915d3429a424fc5dc5abd9", kill_on_drop: false }` [INFO] [stdout] f2605c98fc16162146d60737420dba06005c818fe1915d3429a424fc5dc5abd9