[INFO] fetching crate flexi-parse 0.10.0...
[INFO] checking flexi-parse-0.10.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate flexi-parse 0.10.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate flexi-parse 0.10.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate flexi-parse 0.10.0
[INFO] tweaked toml for crates.io crate flexi-parse 0.10.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexi-parse 0.10.0 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] crate crates.io crate flexi-parse 0.10.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ariadne v0.3.0
[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] a5c30a554de42a2084cfe646fcfc3e231403cbf1f6bd8d5a636c4f4c7269272e
[INFO] running `Command { std: "docker" "start" "-a" "a5c30a554de42a2084cfe646fcfc3e231403cbf1f6bd8d5a636c4f4c7269272e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5c30a554de42a2084cfe646fcfc3e231403cbf1f6bd8d5a636c4f4c7269272e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c30a554de42a2084cfe646fcfc3e231403cbf1f6bd8d5a636c4f4c7269272e", kill_on_drop: false }`
[INFO] [stdout] a5c30a554de42a2084cfe646fcfc3e231403cbf1f6bd8d5a636c4f4c7269272e
[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] e02775b432c60cc8a4cb011ab0e1c00c911d5b9dbd4d10be8ad441eb9b1af090
[INFO] running `Command { std: "docker" "start" "-a" "e02775b432c60cc8a4cb011ab0e1c00c911d5b9dbd4d10be8ad441eb9b1af090", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking ariadne v0.3.0
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling concat-idents v1.1.5
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking flexi-parse v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `quote`
[INFO] [stdout]     --> src/token.rs:842:19
[INFO] [stdout]      |
[INFO] [stdout]  842 |               #[cfg(feature = "quote")]
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1191 | / tokens! {
[INFO] [stdout] 1192 | |     {
[INFO] [stdout] 1193 | |         (Bang, '!')
[INFO] [stdout] 1194 | |         (Colon, ':')
[INFO] [stdout] ...    |
[INFO] [stdout] 1258 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `ariadne`, `default`, `proc-macro`, `proc-macro2`, and `scan-strings`
[INFO] [stdout]      = help: consider adding `quote` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `quote`
[INFO] [stdout]     --> src/token.rs:1008:19
[INFO] [stdout]      |
[INFO] [stdout] 1008 |               #[cfg(feature = "quote")]
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1191 | / tokens! {
[INFO] [stdout] 1192 | |     {
[INFO] [stdout] 1193 | |         (Bang, '!')
[INFO] [stdout] 1194 | |         (Colon, ':')
[INFO] [stdout] ...    |
[INFO] [stdout] 1258 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `ariadne`, `default`, `proc-macro`, `proc-macro2`, and `scan-strings`
[INFO] [stdout]      = help: consider adding `quote` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: this warning originates in the macro `tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `quote`
[INFO] [stdout]     --> src/token.rs:1166:19
[INFO] [stdout]      |
[INFO] [stdout] 1166 |               #[cfg(feature = "quote")]
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1191 | / tokens! {
[INFO] [stdout] 1192 | |     {
[INFO] [stdout] 1193 | |         (Bang, '!')
[INFO] [stdout] 1194 | |         (Colon, ':')
[INFO] [stdout] ...    |
[INFO] [stdout] 1258 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `ariadne`, `default`, `proc-macro`, `proc-macro2`, and `scan-strings`
[INFO] [stdout]      = help: consider adding `quote` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: this warning originates in the macro `tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `quote`
[INFO] [stdout]     --> src/token.rs:842:19
[INFO] [stdout]      |
[INFO] [stdout]  842 |               #[cfg(feature = "quote")]
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1191 | / tokens! {
[INFO] [stdout] 1192 | |     {
[INFO] [stdout] 1193 | |         (Bang, '!')
[INFO] [stdout] 1194 | |         (Colon, ':')
[INFO] [stdout] ...    |
[INFO] [stdout] 1258 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `ariadne`, `default`, `proc-macro`, `proc-macro2`, and `scan-strings`
[INFO] [stdout]      = help: consider adding `quote` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `quote`
[INFO] [stdout]     --> src/token.rs:1008:19
[INFO] [stdout]      |
[INFO] [stdout] 1008 |               #[cfg(feature = "quote")]
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1191 | / tokens! {
[INFO] [stdout] 1192 | |     {
[INFO] [stdout] 1193 | |         (Bang, '!')
[INFO] [stdout] 1194 | |         (Colon, ':')
[INFO] [stdout] ...    |
[INFO] [stdout] 1258 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `ariadne`, `default`, `proc-macro`, `proc-macro2`, and `scan-strings`
[INFO] [stdout]      = help: consider adding `quote` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: this warning originates in the macro `tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `quote`
[INFO] [stdout]     --> src/token.rs:1166:19
[INFO] [stdout]      |
[INFO] [stdout] 1166 |               #[cfg(feature = "quote")]
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1191 | / tokens! {
[INFO] [stdout] 1192 | |     {
[INFO] [stdout] 1193 | |         (Bang, '!')
[INFO] [stdout] 1194 | |         (Colon, ':')
[INFO] [stdout] ...    |
[INFO] [stdout] 1258 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `ariadne`, `default`, `proc-macro`, `proc-macro2`, and `scan-strings`
[INFO] [stdout]      = help: consider adding `quote` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: this warning originates in the macro `tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/punctuated.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn iter(&self) -> Iter<T, P> {
[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] 152 |     pub fn iter(&self) -> Iter<'_, T, P> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/punctuated.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn iter_mut(&mut self) -> IterMut<T, P> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn iter_mut(&mut self) -> IterMut<'_, T, P> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/punctuated.rs:169:18
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn pairs(&self) -> Pairs<T, P> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn pairs(&self) -> Pairs<'_, T, P> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/punctuated.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn pairs_mut(&mut self) -> PairsMut<T, P> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn pairs_mut(&mut self) -> PairsMut<'_, T, P> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/punctuated.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn iter(&self) -> Iter<T, P> {
[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] 152 |     pub fn iter(&self) -> Iter<'_, T, P> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/punctuated.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn iter_mut(&mut self) -> IterMut<T, P> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn iter_mut(&mut self) -> IterMut<'_, T, P> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/punctuated.rs:169:18
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn pairs(&self) -> Pairs<T, P> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn pairs(&self) -> Pairs<'_, T, P> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/punctuated.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn pairs_mut(&mut self) -> PairsMut<T, P> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn pairs_mut(&mut self) -> PairsMut<'_, T, P> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/calc.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Neg(Punct!["-"], Box<Expr>),
[INFO] [stdout]    |     --- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Neg(Punct!["-"], Box<Expr>),
[INFO] [stdout] 18 +     Neg((), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Mul(Box<Expr>, Punct!["*"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Mul(Box<Expr>, Punct!["*"], Box<Expr>),
[INFO] [stdout] 19 +     Mul(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Div(Box<Expr>, Punct!["/"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Div(Box<Expr>, Punct!["/"], Box<Expr>),
[INFO] [stdout] 20 +     Div(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Mod(Box<Expr>, Punct!["%"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -     Mod(Box<Expr>, Punct!["%"], Box<Expr>),
[INFO] [stdout] 21 +     Mod(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Add(Box<Expr>, Punct!["+"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     Add(Box<Expr>, Punct!["+"], Box<Expr>),
[INFO] [stdout] 22 +     Add(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Sub(Box<Expr>, Punct!["-"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     Sub(Box<Expr>, Punct!["-"], Box<Expr>),
[INFO] [stdout] 23 +     Sub(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/calc.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Neg(Punct!["-"], Box<Expr>),
[INFO] [stdout]    |     --- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Neg(Punct!["-"], Box<Expr>),
[INFO] [stdout] 18 +     Neg((), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Mul(Box<Expr>, Punct!["*"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Mul(Box<Expr>, Punct!["*"], Box<Expr>),
[INFO] [stdout] 19 +     Mul(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Div(Box<Expr>, Punct!["/"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Div(Box<Expr>, Punct!["/"], Box<Expr>),
[INFO] [stdout] 20 +     Div(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Mod(Box<Expr>, Punct!["%"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -     Mod(Box<Expr>, Punct!["%"], Box<Expr>),
[INFO] [stdout] 21 +     Mod(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Add(Box<Expr>, Punct!["+"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     Add(Box<Expr>, Punct!["+"], Box<Expr>),
[INFO] [stdout] 22 +     Add(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/calc.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Sub(Box<Expr>, Punct!["-"], Box<Expr>),
[INFO] [stdout]    |     ---            ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     Sub(Box<Expr>, Punct!["-"], Box<Expr>),
[INFO] [stdout] 23 +     Sub(Box<Expr>, (), Box<Expr>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> examples/lox/interpreter.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[derive(Debug, Clone, Copy, PartialEq, Eq)]
[INFO] [stdout]    |                              --------- in this derive macro expansion
[INFO] [stdout] 89 | struct NativeFunction {
[INFO] [stdout] 90 |     function: fn(Vec<Value>) -> Result<Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `Command { std: "docker" "inspect" "e02775b432c60cc8a4cb011ab0e1c00c911d5b9dbd4d10be8ad441eb9b1af090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02775b432c60cc8a4cb011ab0e1c00c911d5b9dbd4d10be8ad441eb9b1af090", kill_on_drop: false }`
[INFO] [stdout] e02775b432c60cc8a4cb011ab0e1c00c911d5b9dbd4d10be8ad441eb9b1af090