[INFO] fetching crate nauman 1.1.2...
[INFO] checking nauman-1.1.2 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate nauman 1.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate nauman 1.1.2
[INFO] finished tweaking crates.io crate nauman 1.1.2
[INFO] tweaked toml for crates.io crate nauman 1.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nauman 1.1.2 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nauman 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs v1.0.5
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[INFO] [stderr]   Downloaded test-case v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f25db220c578e1a0dfb52132c32bfe0894df126cc531da2d631c4d5a5149f88
[INFO] running `Command { std: "docker" "start" "-a" "9f25db220c578e1a0dfb52132c32bfe0894df126cc531da2d631c4d5a5149f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f25db220c578e1a0dfb52132c32bfe0894df126cc531da2d631c4d5a5149f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f25db220c578e1a0dfb52132c32bfe0894df126cc531da2d631c4d5a5149f88", kill_on_drop: false }`
[INFO] [stdout] 9f25db220c578e1a0dfb52132c32bfe0894df126cc531da2d631c4d5a5149f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20d661a16dae85933fddfe3d158531816d1d86802295748451febdb5503ae3d4
[INFO] running `Command { std: "docker" "start" "-a" "20d661a16dae85933fddfe3d158531816d1d86802295748451febdb5503ae3d4", kill_on_drop: false }`
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[INFO] [stderr]     Checking ppv-lite86 v0.2.15
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[INFO] [stderr]    Compiling anyhow v1.0.48
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[INFO] [stderr]     Checking nauman v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pprint::*`
[INFO] [stdout]  --> src/logging/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use pprint::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pprint::*`
[INFO] [stdout]  --> src/logging/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use pprint::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `env`, `shell_program`, and `shell_args` are never read
[INFO] [stdout]   --> src/logging/logger.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct ActionShell<'a> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 37 |     pub handler: &'a Shell,
[INFO] [stdout] 38 |     pub cwd: &'a PathBuf,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 39 |     pub env: &'a Env,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 40 |     pub shell_program: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 41 |     pub shell_args: &'a [String],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `focus_id` is never read
[INFO] [stdout]   --> src/execution.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ExecutionResult {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 24 |     pub command_id: CommandId,
[INFO] [stdout] 25 |     pub focus_id: Option<CommandId>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExecutionResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/flow.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn iter(&self) -> FlowIterator {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn iter(&self) -> FlowIterator<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `env`, `shell_program`, and `shell_args` are never read
[INFO] [stdout]   --> src/logging/logger.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct ActionShell<'a> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 37 |     pub handler: &'a Shell,
[INFO] [stdout] 38 |     pub cwd: &'a PathBuf,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 39 |     pub env: &'a Env,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 40 |     pub shell_program: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 41 |     pub shell_args: &'a [String],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `focus_id` is never read
[INFO] [stdout]   --> src/execution.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ExecutionResult {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 24 |     pub command_id: CommandId,
[INFO] [stdout] 25 |     pub focus_id: Option<CommandId>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExecutionResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/flow.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn iter(&self) -> FlowIterator {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn iter(&self) -> FlowIterator<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.28s
[INFO] running `Command { std: "docker" "inspect" "20d661a16dae85933fddfe3d158531816d1d86802295748451febdb5503ae3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d661a16dae85933fddfe3d158531816d1d86802295748451febdb5503ae3d4", kill_on_drop: false }`
[INFO] [stdout] 20d661a16dae85933fddfe3d158531816d1d86802295748451febdb5503ae3d4