[INFO] fetching crate s2n-netbench-collector 0.1.0...
[INFO] checking s2n-netbench-collector-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate s2n-netbench-collector 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate s2n-netbench-collector 0.1.0
[INFO] finished tweaking crates.io crate s2n-netbench-collector 0.1.0
[INFO] tweaked toml for crates.io crate s2n-netbench-collector 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate s2n-netbench-collector 0.1.0 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-collector 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 268d97db8b3b318f255cd8ce20e452d597e7f9a77fe9c245b084d6410de9da8c
[INFO] running `Command { std: "docker" "start" "-a" "268d97db8b3b318f255cd8ce20e452d597e7f9a77fe9c245b084d6410de9da8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268d97db8b3b318f255cd8ce20e452d597e7f9a77fe9c245b084d6410de9da8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268d97db8b3b318f255cd8ce20e452d597e7f9a77fe9c245b084d6410de9da8c", kill_on_drop: false }`
[INFO] [stdout] 268d97db8b3b318f255cd8ce20e452d597e7f9a77fe9c245b084d6410de9da8c
[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] 0ee8b4f70e42c1158dd2d8e2600489171938591ae50900c81aba8fe4f353dfa5
[INFO] running `Command { std: "docker" "start" "-a" "0ee8b4f70e42c1158dd2d8e2600489171938591ae50900c81aba8fe4f353dfa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling winnow v0.5.28
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking deranged v0.3.10
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking similar v2.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]     Checking pem v3.0.3
[INFO] [stderr]     Checking rayon-core v1.12.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking probe v0.5.1
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking sysinfo v0.29.11
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bolero-generator-derive v0.10.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling zerocopy-derive v0.7.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling enum-primitive-derive v0.3.0
[INFO] [stderr]     Checking rcgen v0.11.3
[INFO] [stderr]     Checking bolero-generator v0.10.0
[INFO] [stderr]     Checking zerocopy v0.7.30
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]     Checking s2n-codec v0.32.0
[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 v0.1.0
[INFO] [stderr]     Checking s2n-netbench-collector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub driver: String,
[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]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt(long, short, env = "SCENARIO")]
[INFO] [stdout] 17 | |     pub scenario: 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]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub driver: String,
[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]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt(long, short, env = "SCENARIO")]
[INFO] [stdout] 17 | |     pub scenario: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `s2n-netbench-collector` (bin "s2n-netbench-collector") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `s2n-netbench-collector` (bin "s2n-netbench-collector" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0ee8b4f70e42c1158dd2d8e2600489171938591ae50900c81aba8fe4f353dfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee8b4f70e42c1158dd2d8e2600489171938591ae50900c81aba8fe4f353dfa5", kill_on_drop: false }`
[INFO] [stdout] 0ee8b4f70e42c1158dd2d8e2600489171938591ae50900c81aba8fe4f353dfa5