[INFO] fetching crate demi 0.1.2...
[INFO] checking demi-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate demi 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate demi 0.1.2
[INFO] finished tweaking crates.io crate demi 0.1.2
[INFO] tweaked toml for crates.io crate demi 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate demi 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57bf66d1a1d2dd013fbb1d2200352b6e1d1f80ccaa9997406f28d129e413437b
[INFO] running `Command { std: "docker" "start" "-a" "57bf66d1a1d2dd013fbb1d2200352b6e1d1f80ccaa9997406f28d129e413437b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57bf66d1a1d2dd013fbb1d2200352b6e1d1f80ccaa9997406f28d129e413437b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bf66d1a1d2dd013fbb1d2200352b6e1d1f80ccaa9997406f28d129e413437b", kill_on_drop: false }`
[INFO] [stdout] 57bf66d1a1d2dd013fbb1d2200352b6e1d1f80ccaa9997406f28d129e413437b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb44ac6c812cc3daeb483d42c10f701b43a18686934d1d97c70754d664ea7df
[INFO] running `Command { std: "docker" "start" "-a" "eeb44ac6c812cc3daeb483d42c10f701b43a18686934d1d97c70754d664ea7df", kill_on_drop: false }`
[INFO] [stderr]     Checking demi v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Keyword` is more private than the item `Token::Keyword::0`
[INFO] [stdout]   --> src/tokenizer.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Keyword(Keyword),
[INFO] [stdout]    |             ^^^^^^^ field `Token::Keyword::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Keyword` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/tokenizer.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | enum Keyword {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Type` is more private than the item `Token::Type::0`
[INFO] [stdout]   --> src/tokenizer.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Type(Type),
[INFO] [stdout]    |          ^^^^ field `Token::Type::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Type` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/tokenizer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum Type {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Constant` is never constructed
[INFO] [stdout]  --> src/tokenizer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Keyword {
[INFO] [stdout]   |      ------- variant in this enum
[INFO] [stdout] 3 |     Constant,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Keyword` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Integer` is never constructed
[INFO] [stdout]  --> src/tokenizer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Type {
[INFO] [stdout]   |      ---- variant in this enum
[INFO] [stdout] 8 |     Integer,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Identifier`, `Keyword`, and `Type` are never constructed
[INFO] [stdout]   --> src/tokenizer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Token<'a> {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 13 |     Identifier(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     Keyword(Keyword),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     Type(Type),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn tokenize(_: &str) -> Vec<Token> {
[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] 18 | pub fn tokenize(_: &str) -> Vec<Token<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Keyword` is more private than the item `Token::Keyword::0`
[INFO] [stdout]   --> src/tokenizer.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Keyword(Keyword),
[INFO] [stdout]    |             ^^^^^^^ field `Token::Keyword::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Keyword` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/tokenizer.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | enum Keyword {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Type` is more private than the item `Token::Type::0`
[INFO] [stdout]   --> src/tokenizer.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Type(Type),
[INFO] [stdout]    |          ^^^^ field `Token::Type::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Type` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/tokenizer.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum Type {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Constant` is never constructed
[INFO] [stdout]  --> src/tokenizer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Keyword {
[INFO] [stdout]   |      ------- variant in this enum
[INFO] [stdout] 3 |     Constant,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Keyword` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Integer` is never constructed
[INFO] [stdout]  --> src/tokenizer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Type {
[INFO] [stdout]   |      ---- variant in this enum
[INFO] [stdout] 8 |     Integer,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Identifier`, `Keyword`, and `Type` are never constructed
[INFO] [stdout]   --> src/tokenizer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Token<'a> {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 13 |     Identifier(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     Keyword(Keyword),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     Type(Type),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn tokenize(_: &str) -> Vec<Token> {
[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] 18 | pub fn tokenize(_: &str) -> Vec<Token<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "eeb44ac6c812cc3daeb483d42c10f701b43a18686934d1d97c70754d664ea7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb44ac6c812cc3daeb483d42c10f701b43a18686934d1d97c70754d664ea7df", kill_on_drop: false }`
[INFO] [stdout] eeb44ac6c812cc3daeb483d42c10f701b43a18686934d1d97c70754d664ea7df