[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 try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardbrodie%2Fmercury" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/richardbrodie/mercury on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-9/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_users v0.2.0 [INFO] [stderr] Downloaded safemem v0.3.0 [INFO] [stderr] Downloaded dirs v1.0.4 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded memchr v2.1.1 [INFO] [stderr] Downloaded serde_yaml v0.8.7 [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f2649536c4b727790bf6d8513e66e2bc3fb35c182b5ca2a7075d98c2a285883 [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" "0f2649536c4b727790bf6d8513e66e2bc3fb35c182b5ca2a7075d98c2a285883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f2649536c4b727790bf6d8513e66e2bc3fb35c182b5ca2a7075d98c2a285883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f2649536c4b727790bf6d8513e66e2bc3fb35c182b5ca2a7075d98c2a285883", kill_on_drop: false }` [INFO] [stdout] 0f2649536c4b727790bf6d8513e66e2bc3fb35c182b5ca2a7075d98c2a285883 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bb9000c96dc5d532396ddc343f26dde80f1d5e0794a35d20fc637584e94239e [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" "8bb9000c96dc5d532396ddc343f26dde80f1d5e0794a35d20fc637584e94239e", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling ucd-util v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling dirs v1.0.4 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling quote v0.6.9 [INFO] [stderr] Compiling syn v0.15.15 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling pretty_env_logger v0.2.4 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling serde_yaml v0.8.7 [INFO] [stderr] Compiling serde_json v1.0.32 [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 56.54s [INFO] running `Command { std: "docker" "inspect" "8bb9000c96dc5d532396ddc343f26dde80f1d5e0794a35d20fc637584e94239e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bb9000c96dc5d532396ddc343f26dde80f1d5e0794a35d20fc637584e94239e", kill_on_drop: false }` [INFO] [stdout] 8bb9000c96dc5d532396ddc343f26dde80f1d5e0794a35d20fc637584e94239e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bdda85d73f7352d3ec289cb662a2d4ebd52218716b27c6a36f36505ace029d6a [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" "bdda85d73f7352d3ec289cb662a2d4ebd52218716b27c6a36f36505ace029d6a", 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 1.74s [INFO] running `Command { std: "docker" "inspect" "bdda85d73f7352d3ec289cb662a2d4ebd52218716b27c6a36f36505ace029d6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdda85d73f7352d3ec289cb662a2d4ebd52218716b27c6a36f36505ace029d6a", kill_on_drop: false }` [INFO] [stdout] bdda85d73f7352d3ec289cb662a2d4ebd52218716b27c6a36f36505ace029d6a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0aa11b4745c4ccea5d1197feda3706571195a97c8a49c8fefd9c0842b049424e [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" "0aa11b4745c4ccea5d1197feda3706571195a97c8a49c8fefd9c0842b049424e", 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 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mercury-a2d6981846ec38f1) [INFO] [stdout] [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" "0aa11b4745c4ccea5d1197feda3706571195a97c8a49c8fefd9c0842b049424e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0aa11b4745c4ccea5d1197feda3706571195a97c8a49c8fefd9c0842b049424e", kill_on_drop: false }` [INFO] [stdout] 0aa11b4745c4ccea5d1197feda3706571195a97c8a49c8fefd9c0842b049424e