[INFO] fetching crate steno 0.4.1...
[INFO] checking steno-0.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate steno 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate steno 0.4.1
[INFO] finished tweaking crates.io crate steno 0.4.1
[INFO] tweaked toml for crates.io crate steno 0.4.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate steno 0.4.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate steno 0.4.1 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69ce242d6a5b4e06856dcad31d813f872f9e8239bc083af6255dc6f0af137c61
[INFO] running `Command { std: "docker" "start" "-a" "69ce242d6a5b4e06856dcad31d813f872f9e8239bc083af6255dc6f0af137c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ce242d6a5b4e06856dcad31d813f872f9e8239bc083af6255dc6f0af137c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ce242d6a5b4e06856dcad31d813f872f9e8239bc083af6255dc6f0af137c61", kill_on_drop: false }`
[INFO] [stdout] 69ce242d6a5b4e06856dcad31d813f872f9e8239bc083af6255dc6f0af137c61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd9dcb72e325c6f1db085a8dadeefd086d8a53f5aa1eb9d5a5593754bb7956e
[INFO] running `Command { std: "docker" "start" "-a" "9dd9dcb72e325c6f1db085a8dadeefd086d8a53f5aa1eb9d5a5593754bb7956e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling rustix v0.37.25
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking iana-time-zone v0.1.47
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling schemars v0.8.21
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking dyn-clone v1.0.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking time v0.3.12
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking similar v2.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking newline-converter v0.2.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking slog-term v2.9.1
[INFO] [stderr]     Checking expectorate v1.0.5
[INFO] [stderr]     Checking subprocess v0.2.9
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling schemars_derive v0.8.21
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking steno v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `source_error` is never read
[INFO] [stdout]   --> src/saga_action_error.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     ActionFailed { source_error: serde_json::Value },
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `message` is never read
[INFO] [stdout]   --> src/saga_action_error.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |     SubsagaCreateFailed { message: String },
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source_error` is never read
[INFO] [stdout]   --> src/saga_action_error.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     ActionFailed { source_error: serde_json::Value },
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `message` is never read
[INFO] [stdout]   --> src/saga_action_error.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |     SubsagaCreateFailed { message: String },
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExampleSubsagaType` is never constructed
[INFO] [stdout]   --> src/example_provision.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct ExampleSubsagaType {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExampleSubsagaType` is never constructed
[INFO] [stdout]   --> src/example_provision.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct ExampleSubsagaType {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> examples/demo-provision.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | /     /// path to the saga log to pretty-print
[INFO] [stdout] 149 | |     input_log_path: PathBuf,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> examples/demo-provision.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | /     /// simulate an error at the named saga node
[INFO] [stdout] 166 | |     #[structopt(long)]
[INFO] [stdout] 167 | |     inject_error: Vec<String>,
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> examples/demo-provision.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 | /     /// simulate an error at the named saga node's undo action
[INFO] [stdout] 170 | |     #[structopt(long)]
[INFO] [stdout] 171 | |     inject_undo_error: Vec<String>,
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> examples/demo-provision.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     /// upon completion, dump the workflog log to the named file
[INFO] [stdout] 178 | |     #[structopt(long)]
[INFO] [stdout] 179 | |     dump_to: Option<PathBuf>,
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> examples/demo-provision.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 | /     /// recover the saga log from the named file and resume execution
[INFO] [stdout] 182 | |     #[structopt(long)]
[INFO] [stdout] 183 | |     recover_from: Option<PathBuf>,
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `steno` (example "demo-provision") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9dd9dcb72e325c6f1db085a8dadeefd086d8a53f5aa1eb9d5a5593754bb7956e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd9dcb72e325c6f1db085a8dadeefd086d8a53f5aa1eb9d5a5593754bb7956e", kill_on_drop: false }`
[INFO] [stdout] 9dd9dcb72e325c6f1db085a8dadeefd086d8a53f5aa1eb9d5a5593754bb7956e
