[INFO] fetching crate tokenizer 0.1.2...
[INFO] checking tokenizer-0.1.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tokenizer 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tokenizer 0.1.2
[INFO] finished tweaking crates.io crate tokenizer 0.1.2
[INFO] tweaked toml for crates.io crate tokenizer 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokenizer 0.1.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutator v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4beb40418d2fe94427d572d294c4d8f1b63b436ce5b6e8f09d3e7de1f990709
[INFO] running `Command { std: "docker" "start" "-a" "a4beb40418d2fe94427d572d294c4d8f1b63b436ce5b6e8f09d3e7de1f990709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4beb40418d2fe94427d572d294c4d8f1b63b436ce5b6e8f09d3e7de1f990709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4beb40418d2fe94427d572d294c4d8f1b63b436ce5b6e8f09d3e7de1f990709", kill_on_drop: false }`
[INFO] [stdout] a4beb40418d2fe94427d572d294c4d8f1b63b436ce5b6e8f09d3e7de1f990709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b26b9241deafda4eb44696f0a3cc55712e15075c2755d3096e7f836cf73e963
[INFO] running `Command { std: "docker" "start" "-a" "6b26b9241deafda4eb44696f0a3cc55712e15075c2755d3096e7f836cf73e963", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking tokenizer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `level` and `into_vec` are never used
[INFO] [stdout]   --> src/tokenizer/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait TreeOp<T> {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn level(&self) -> usize;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn into_vec(self) -> Vec<T>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tokenizer/th/mod.rs:399:27
[INFO] [stdout]     |
[INFO] [stdout] 399 |         fn make_iter(raw: &str) -> rayon::str::SplitWhitespace {
[INFO] [stdout]     |                           ^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 399 |         fn make_iter(raw: &str) -> rayon::str::SplitWhitespace<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking permutator v0.4.3
[INFO] [stdout] warning: methods `level` and `into_vec` are never used
[INFO] [stdout]   --> src/tokenizer/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait TreeOp<T> {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn level(&self) -> usize;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn into_vec(self) -> Vec<T>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tokenizer/th/mod.rs:399:27
[INFO] [stdout]     |
[INFO] [stdout] 399 |         fn make_iter(raw: &str) -> rayon::str::SplitWhitespace {
[INFO] [stdout]     |                           ^^^^     --------------------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 399 |         fn make_iter(raw: &str) -> rayon::str::SplitWhitespace<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]   --> src/tokenizer/tests.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Vec::<&str>::from(&*TreeNode::root().read().unwrap());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = Vec::<&str>::from(&*TreeNode::root().read().unwrap());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "6b26b9241deafda4eb44696f0a3cc55712e15075c2755d3096e7f836cf73e963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b26b9241deafda4eb44696f0a3cc55712e15075c2755d3096e7f836cf73e963", kill_on_drop: false }`
[INFO] [stdout] 6b26b9241deafda4eb44696f0a3cc55712e15075c2755d3096e7f836cf73e963