[INFO] fetching crate platelet 0.1.2...
[INFO] checking platelet-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate platelet 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate platelet 0.1.2
[INFO] finished tweaking crates.io crate platelet 0.1.2
[INFO] tweaked toml for crates.io crate platelet 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate platelet 0.1.2 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 platelet 0.1.2 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bcb7fbabbbd0538291124f0cdbfd7ec098616be489f00c0d43e6036fe1959259
[INFO] running `Command { std: "docker" "start" "-a" "bcb7fbabbbd0538291124f0cdbfd7ec098616be489f00c0d43e6036fe1959259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcb7fbabbbd0538291124f0cdbfd7ec098616be489f00c0d43e6036fe1959259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb7fbabbbd0538291124f0cdbfd7ec098616be489f00c0d43e6036fe1959259", kill_on_drop: false }`
[INFO] [stdout] bcb7fbabbbd0538291124f0cdbfd7ec098616be489f00c0d43e6036fe1959259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 599560208bd36430a6bf3f10841b7604c0025ac9a95c8323fd7052860d8fd194
[INFO] running `Command { std: "docker" "start" "-a" "599560208bd36430a6bf3f10841b7604c0025ac9a95c8323fd7052860d8fd194", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking winnow v0.6.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.201
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]     Checking platelet v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `public_id` and `system_id` are never read
[INFO] [stdout]   --> src/rcdom.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Doctype {
[INFO] [stdout]    |     ------- fields in this variant
[INFO] [stdout] 72 |         name: StrTendril,
[INFO] [stdout] 73 |         public_id: StrTendril,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 74 |         system_id: StrTendril,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `target` and `contents` are never read
[INFO] [stdout]    --> src/rcdom.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     ProcessingInstruction {
[INFO] [stdout]     |     --------------------- fields in this variant
[INFO] [stdout] 101 |         target: StrTendril,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 102 |         contents: StrTendril,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SerializeOp` is never used
[INFO] [stdout]    --> src/rcdom.rs:420:6
[INFO] [stdout]     |
[INFO] [stdout] 420 | enum SerializeOp {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerializableHandle` is never constructed
[INFO] [stdout]    --> src/rcdom.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 425 | pub struct SerializableHandle(Handle);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let path: PathBuf = filename.try_into().unwrap();
[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/lib.rs:82:37
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let current_path: PathBuf = current.try_into().unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `platelet` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `public_id` and `system_id` are never read
[INFO] [stdout]   --> src/rcdom.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Doctype {
[INFO] [stdout]    |     ------- fields in this variant
[INFO] [stdout] 72 |         name: StrTendril,
[INFO] [stdout] 73 |         public_id: StrTendril,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 74 |         system_id: StrTendril,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `target` and `contents` are never read
[INFO] [stdout]    --> src/rcdom.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     ProcessingInstruction {
[INFO] [stdout]     |     --------------------- fields in this variant
[INFO] [stdout] 101 |         target: StrTendril,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 102 |         contents: StrTendril,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SerializeOp` is never used
[INFO] [stdout]    --> src/rcdom.rs:420:6
[INFO] [stdout]     |
[INFO] [stdout] 420 | enum SerializeOp {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerializableHandle` is never constructed
[INFO] [stdout]    --> src/rcdom.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 425 | pub struct SerializableHandle(Handle);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let path: PathBuf = filename.try_into().unwrap();
[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/lib.rs:82:37
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let current_path: PathBuf = current.try_into().unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `platelet` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "599560208bd36430a6bf3f10841b7604c0025ac9a95c8323fd7052860d8fd194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599560208bd36430a6bf3f10841b7604c0025ac9a95c8323fd7052860d8fd194", kill_on_drop: false }`
[INFO] [stdout] 599560208bd36430a6bf3f10841b7604c0025ac9a95c8323fd7052860d8fd194