[INFO] fetching crate texlang 0.1.0...
[INFO] checking texlang-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate texlang 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate texlang 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate texlang 0.1.0
[INFO] finished tweaking crates.io crate texlang 0.1.0
[INFO] tweaked toml for crates.io crate texlang 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded texcraft-stdext v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcd973c46e7de2120122f92c5ca083811a1023bd9513e8f9e99d3a195bd28566
[INFO] running `Command { std: "docker" "start" "-a" "dcd973c46e7de2120122f92c5ca083811a1023bd9513e8f9e99d3a195bd28566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcd973c46e7de2120122f92c5ca083811a1023bd9513e8f9e99d3a195bd28566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd973c46e7de2120122f92c5ca083811a1023bd9513e8f9e99d3a195bd28566", kill_on_drop: false }`
[INFO] [stdout] dcd973c46e7de2120122f92c5ca083811a1023bd9513e8f9e99d3a195bd28566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbb9aff7b4d5defbdb08842c4fd089e9521099f5892d81bc49889e105266698b
[INFO] running `Command { std: "docker" "start" "-a" "fbb9aff7b4d5defbdb08842c4fd089e9521099f5892d81bc49889e105266698b", kill_on_drop: false }`
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking texcraft-stdext v0.1.0
[INFO] [stderr]     Checking texlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `variable_key_to_built_in_lazy` is never read
[INFO] [stdout]   --> src/command/map.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Map<S> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     variable_key_to_built_in_lazy: RefCell<Option<HashMap<variable::Key, token::CsName>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `variable_key_to_built_in` is never used
[INFO] [stdout]    --> src/command/map.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 59  | impl<S> Map<S> {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn variable_key_to_built_in(&self) -> Ref<'_, HashMap<variable::Key, token::CsName>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SerializableCommand` is never used
[INFO] [stdout]    --> src/command/map.rs:238:6
[INFO] [stdout]     |
[INFO] [stdout] 238 | enum SerializableCommand {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerializableMap` is never constructed
[INFO] [stdout]    --> src/command/map.rs:246:19
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub(crate) struct SerializableMap<'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `finish_deserialization` are never used
[INFO] [stdout]    --> src/command/map.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | impl<'a> SerializableMap<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 266 |     fn new<S>(map: &'a Map<S>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub(crate) fn finish_deserialization<S>(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/variable.rs:407:19
[INFO] [stdout]     |
[INFO] [stdout] 368 | impl<S> Command<S> {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 407 |     pub(crate) fn new(getters: Getters<S>, index_resolver: Option<IndexResolver<S>>) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variable_key_to_built_in_lazy` is never read
[INFO] [stdout]   --> src/command/map.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Map<S> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     variable_key_to_built_in_lazy: RefCell<Option<HashMap<variable::Key, token::CsName>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `variable_key_to_built_in` is never used
[INFO] [stdout]    --> src/command/map.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 59  | impl<S> Map<S> {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     fn variable_key_to_built_in(&self) -> Ref<'_, HashMap<variable::Key, token::CsName>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SerializableCommand` is never used
[INFO] [stdout]    --> src/command/map.rs:238:6
[INFO] [stdout]     |
[INFO] [stdout] 238 | enum SerializableCommand {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerializableMap` is never constructed
[INFO] [stdout]    --> src/command/map.rs:246:19
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub(crate) struct SerializableMap<'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `finish_deserialization` are never used
[INFO] [stdout]    --> src/command/map.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | impl<'a> SerializableMap<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 266 |     fn new<S>(map: &'a Map<S>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub(crate) fn finish_deserialization<S>(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/variable.rs:407:19
[INFO] [stdout]     |
[INFO] [stdout] 368 | impl<S> Command<S> {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 407 |     pub(crate) fn new(getters: Getters<S>, index_resolver: Option<IndexResolver<S>>) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "fbb9aff7b4d5defbdb08842c4fd089e9521099f5892d81bc49889e105266698b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb9aff7b4d5defbdb08842c4fd089e9521099f5892d81bc49889e105266698b", kill_on_drop: false }`
[INFO] [stdout] fbb9aff7b4d5defbdb08842c4fd089e9521099f5892d81bc49889e105266698b