[INFO] fetching crate s2n-netbench-cli 0.1.1...
[INFO] checking s2n-netbench-cli-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate s2n-netbench-cli 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate s2n-netbench-cli 0.1.1
[INFO] finished tweaking crates.io crate s2n-netbench-cli 0.1.1
[INFO] tweaked toml for crates.io crate s2n-netbench-cli 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate s2n-netbench-cli 0.1.1 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 s2n-netbench-cli 0.1.1 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 510622441a3a489f1aeaf68bcfe711f3b97ed2815b08b7dd047fef8f7e4f0695
[INFO] running `Command { std: "docker" "start" "-a" "510622441a3a489f1aeaf68bcfe711f3b97ed2815b08b7dd047fef8f7e4f0695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "510622441a3a489f1aeaf68bcfe711f3b97ed2815b08b7dd047fef8f7e4f0695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510622441a3a489f1aeaf68bcfe711f3b97ed2815b08b7dd047fef8f7e4f0695", kill_on_drop: false }`
[INFO] [stdout] 510622441a3a489f1aeaf68bcfe711f3b97ed2815b08b7dd047fef8f7e4f0695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 660b4a9ee5c7ee135928ed8d3ebdf693855906b4239e0c18e5a5d00ad7402ece
[INFO] running `Command { std: "docker" "start" "-a" "660b4a9ee5c7ee135928ed8d3ebdf693855906b4239e0c18e5a5d00ad7402ece", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling winnow v0.5.22
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking similar v2.3.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking probe v0.5.1
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling bolero-generator-derive v0.10.0
[INFO] [stderr]     Checking bolero-generator v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.28
[INFO] [stderr]    Compiling enum-primitive-derive v0.3.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking zerocopy v0.7.28
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]     Checking s2n-codec v0.32.0
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures-test v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]     Checking insta v1.34.0
[INFO] [stderr]     Checking s2n-quic-core v0.32.0
[INFO] [stderr]     Checking handlebars v4.5.0
[INFO] [stderr]     Checking s2n-netbench v0.1.1
[INFO] [stderr]     Checking s2n-netbench-cli v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]    --> src/report.rs:452:8
[INFO] [stdout]     |
[INFO] [stdout] 452 | struct Bucket {
[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]   --> src/report.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub inputs: Vec<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<PathBuf, Infallible>
[INFO] [stdout]   --> src/report.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(short, long)]
[INFO] [stdout] 29 | |     pub output: Option<PathBuf>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/report_tree.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     input_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/report_tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     out_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `s2n-netbench-cli` (bin "s2n-netbench") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]    --> src/report.rs:452:8
[INFO] [stdout]     |
[INFO] [stdout] 452 | struct Bucket {
[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]   --> src/report.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub inputs: Vec<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<PathBuf, Infallible>
[INFO] [stdout]   --> src/report.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(short, long)]
[INFO] [stdout] 29 | |     pub output: Option<PathBuf>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/report_tree.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     input_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/report_tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     out_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `s2n-netbench-cli` (bin "s2n-netbench" test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "660b4a9ee5c7ee135928ed8d3ebdf693855906b4239e0c18e5a5d00ad7402ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660b4a9ee5c7ee135928ed8d3ebdf693855906b4239e0c18e5a5d00ad7402ece", kill_on_drop: false }`
[INFO] [stdout] 660b4a9ee5c7ee135928ed8d3ebdf693855906b4239e0c18e5a5d00ad7402ece
