[INFO] crate tusk 0.0.1 is already in cache
[INFO] checking tusk-0.0.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate tusk 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tusk 0.0.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tusk 0.0.1
[INFO] finished tweaking crates.io crate tusk 0.0.1
[INFO] tweaked toml for crates.io crate tusk 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94a895462c1b4aa354ed9b175f4c3e1bf04a6a13f045f52294ebd3bd13533a17
[INFO] running `"docker" "start" "-a" "94a895462c1b4aa354ed9b175f4c3e1bf04a6a13f045f52294ebd3bd13533a17"`
[INFO] [stderr]    Compiling byteorder v1.3.4
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[INFO] [stderr]    Compiling serde_derive v1.0.106
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[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking tusk v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/tusk/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         /// Load the agent
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 58 |         let reader = File::open(&master_config_file_buf)?;
[INFO] [stderr]    |         -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/tusk/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         /// Load the agent
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 58 |         let reader = File::open(&master_config_file_buf)?;
[INFO] [stderr]    |         -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/tusk/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn default() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 44 |             ..Default::default()
[INFO] [stderr]    |               ------------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/plugins/outputs/stdout.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | /         self.format
[INFO] [stderr] 17 | |             .to_writer(BufWriter::new(io::stdout()), &readings);
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/tusk/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn default() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 44 |             ..Default::default()
[INFO] [stderr]    |               ------------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/plugins/outputs/stdout.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | /         self.format
[INFO] [stderr] 17 | |             .to_writer(BufWriter::new(io::stdout()), &readings);
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `"docker" "inspect" "94a895462c1b4aa354ed9b175f4c3e1bf04a6a13f045f52294ebd3bd13533a17"`
[INFO] running `"docker" "rm" "-f" "94a895462c1b4aa354ed9b175f4c3e1bf04a6a13f045f52294ebd3bd13533a17"`
[INFO] [stdout] 94a895462c1b4aa354ed9b175f4c3e1bf04a6a13f045f52294ebd3bd13533a17