[INFO] fetching crate erl_parse 0.0.8...
[INFO] testing erl_parse-0.0.8 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate erl_parse 0.0.8 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate erl_parse 0.0.8
[INFO] finished tweaking crates.io crate erl_parse 0.0.8
[INFO] tweaked toml for crates.io crate erl_parse 0.0.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate erl_parse 0.0.8 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.51)
[INFO] [stderr]       Adding erl_pp v0.1.4 (available: v0.2.0)
[INFO] [stderr]       Adding erl_tokenize v0.3.9 (available: v0.8.3)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding trackable v0.2.24 (available: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable v1.3.0
[INFO] [stderr]   Downloaded erl_pp v0.1.4
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded erl_tokenize v0.3.9
[INFO] [stderr]   Downloaded trackable v0.2.24
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 262eb960ccddc5f4f92dfaf4ec5b00e6a1790efd4e29f57d80e93ac76607d295
[INFO] running `Command { std: "docker" "start" "-a" "262eb960ccddc5f4f92dfaf4ec5b00e6a1790efd4e29f57d80e93ac76607d295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "262eb960ccddc5f4f92dfaf4ec5b00e6a1790efd4e29f57d80e93ac76607d295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262eb960ccddc5f4f92dfaf4ec5b00e6a1790efd4e29f57d80e93ac76607d295", kill_on_drop: false }`
[INFO] [stdout] 262eb960ccddc5f4f92dfaf4ec5b00e6a1790efd4e29f57d80e93ac76607d295
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2c3f037308129bb1c36eaef45b06bba6ce7c46684b603af222ef87c2b0c6848
[INFO] running `Command { std: "docker" "start" "-a" "a2c3f037308129bb1c36eaef45b06bba6ce7c46684b603af222ef87c2b0c6848", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling trackable v1.3.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling erl_tokenize v0.3.9
[INFO] [stderr]    Compiling erl_pp v0.1.4
[INFO] [stderr]    Compiling erl_parse v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]  --> src/error.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/traits/preprocessor.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> Preprocessor for &'a mut Preprocessor {
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> Preprocessor for &'a mut dyn Preprocessor {
[INFO] [stdout]   |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/token_read.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Preprocessor for &'a mut TokenRead {
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Preprocessor for &'a mut dyn TokenRead {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/token_read.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> TokenRead for &'a mut TokenRead {
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> TokenRead for &'a mut dyn TokenRead {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/builtin.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_module(tokens: &mut TokenRead) -> Result<ModuleDecl> {
[INFO] [stdout]    |                                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_module(tokens: &mut dyn TokenRead) -> Result<ModuleDecl> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cst/commons/parts.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn iter(&self) -> ConsCellIter<T> {
[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] 133 |     pub fn iter(&self) -> ConsCellIter<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cst/commons/parts.rs:529:17
[INFO] [stdout]     |
[INFO] [stdout] 529 |     pub fn iter(&self) -> SequenceIter<T, D> {
[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] 529 |     pub fn iter(&self) -> SequenceIter<'_, T, D> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.97s
[INFO] running `Command { std: "docker" "inspect" "a2c3f037308129bb1c36eaef45b06bba6ce7c46684b603af222ef87c2b0c6848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c3f037308129bb1c36eaef45b06bba6ce7c46684b603af222ef87c2b0c6848", kill_on_drop: false }`
[INFO] [stdout] a2c3f037308129bb1c36eaef45b06bba6ce7c46684b603af222ef87c2b0c6848
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b4be0f8caf41a47c180ad9fcda06f84fb51a284899b8e404176c595c9ab877c
[INFO] running `Command { std: "docker" "start" "-a" "9b4be0f8caf41a47c180ad9fcda06f84fb51a284899b8e404176c595c9ab877c", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]  --> src/error.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/traits/preprocessor.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> Preprocessor for &'a mut Preprocessor {
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> Preprocessor for &'a mut dyn Preprocessor {
[INFO] [stdout]   |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/token_read.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Preprocessor for &'a mut TokenRead {
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Preprocessor for &'a mut dyn TokenRead {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/token_read.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> TokenRead for &'a mut TokenRead {
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> TokenRead for &'a mut dyn TokenRead {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/builtin.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_module(tokens: &mut TokenRead) -> Result<ModuleDecl> {
[INFO] [stdout]    |                                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_module(tokens: &mut dyn TokenRead) -> Result<ModuleDecl> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cst/commons/parts.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn iter(&self) -> ConsCellIter<T> {
[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] 133 |     pub fn iter(&self) -> ConsCellIter<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cst/commons/parts.rs:529:17
[INFO] [stdout]     |
[INFO] [stdout] 529 |     pub fn iter(&self) -> SequenceIter<T, D> {
[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] 529 |     pub fn iter(&self) -> SequenceIter<'_, T, D> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling erl_parse v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]  --> src/error.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/traits/preprocessor.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> Preprocessor for &'a mut Preprocessor {
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> Preprocessor for &'a mut dyn Preprocessor {
[INFO] [stdout]   |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/token_read.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Preprocessor for &'a mut TokenRead {
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Preprocessor for &'a mut dyn TokenRead {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/token_read.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> TokenRead for &'a mut TokenRead {
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> TokenRead for &'a mut dyn TokenRead {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/builtin.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_module(tokens: &mut TokenRead) -> Result<ModuleDecl> {
[INFO] [stdout]    |                                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_module(tokens: &mut dyn TokenRead) -> Result<ModuleDecl> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cst/commons/parts.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn iter(&self) -> ConsCellIter<T> {
[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] 133 |     pub fn iter(&self) -> ConsCellIter<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cst/commons/parts.rs:529:17
[INFO] [stdout]     |
[INFO] [stdout] 529 |     pub fn iter(&self) -> SequenceIter<T, D> {
[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] 529 |     pub fn iter(&self) -> SequenceIter<'_, T, D> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `Command { std: "docker" "inspect" "9b4be0f8caf41a47c180ad9fcda06f84fb51a284899b8e404176c595c9ab877c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4be0f8caf41a47c180ad9fcda06f84fb51a284899b8e404176c595c9ab877c", kill_on_drop: false }`
[INFO] [stdout] 9b4be0f8caf41a47c180ad9fcda06f84fb51a284899b8e404176c595c9ab877c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9f1ecc6a3c7267d1f0f5e1850a3c6c14487288fe8daad4ede800c459cd702ec
[INFO] running `Command { std: "docker" "start" "-a" "f9f1ecc6a3c7267d1f0f5e1850a3c6c14487288fe8daad4ede800c459cd702ec", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stderr]  --> src/error.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/traits/preprocessor.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> Preprocessor for &'a mut Preprocessor {
[INFO] [stderr]   |                                   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> Preprocessor for &'a mut dyn Preprocessor {
[INFO] [stderr]   |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/token_read.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<'a> Preprocessor for &'a mut TokenRead {
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<'a> Preprocessor for &'a mut dyn TokenRead {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/token_read.rs:25:32
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl<'a> TokenRead for &'a mut TokenRead {
[INFO] [stderr]    |                                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl<'a> TokenRead for &'a mut dyn TokenRead {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builtin.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn parse_module(tokens: &mut TokenRead) -> Result<ModuleDecl> {
[INFO] [stderr]    |                                  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn parse_module(tokens: &mut dyn TokenRead) -> Result<ModuleDecl> {
[INFO] [stderr]    |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/cst/commons/parts.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn iter(&self) -> ConsCellIter<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn iter(&self) -> ConsCellIter<'_, T> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/cst/commons/parts.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |     pub fn iter(&self) -> SequenceIter<T, D> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 529 |     pub fn iter(&self) -> SequenceIter<'_, T, D> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `erl_parse` (lib) generated 7 warnings (run `cargo fix --lib -p erl_parse` to apply 6 suggestions)
[INFO] [stderr] warning: `erl_parse` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/erl_parse-ee8b7683c145a4c0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-e17bb9161e049fc0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parse_type_works ... ok
[INFO] [stdout] test parse_form_works ... ok
[INFO] [stdout] test parse_pattern_works ... ok
[INFO] [stdout] test parse_expr_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests erl_parse
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9f1ecc6a3c7267d1f0f5e1850a3c6c14487288fe8daad4ede800c459cd702ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f1ecc6a3c7267d1f0f5e1850a3c6c14487288fe8daad4ede800c459cd702ec", kill_on_drop: false }`
[INFO] [stdout] f9f1ecc6a3c7267d1f0f5e1850a3c6c14487288fe8daad4ede800c459cd702ec
