[INFO] fetching crate aterm 0.20.0...
[INFO] checking aterm-0.20.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate aterm 0.20.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate aterm 0.20.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aterm 0.20.0
[INFO] finished tweaking crates.io crate aterm 0.20.0
[INFO] tweaked toml for crates.io crate aterm 0.20.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e80fe7481ab59f2cfe4ee89fdbee8810110c59b33d1b244358a3fb711a786738
[INFO] running `Command { std: "docker" "start" "-a" "e80fe7481ab59f2cfe4ee89fdbee8810110c59b33d1b244358a3fb711a786738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80fe7481ab59f2cfe4ee89fdbee8810110c59b33d1b244358a3fb711a786738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80fe7481ab59f2cfe4ee89fdbee8810110c59b33d1b244358a3fb711a786738", kill_on_drop: false }`
[INFO] [stdout] e80fe7481ab59f2cfe4ee89fdbee8810110c59b33d1b244358a3fb711a786738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1c97c4741b43d36bbcecb9f116c3a854931034196a4c4ce1651f203668602ff
[INFO] running `Command { std: "docker" "start" "-a" "b1c97c4741b43d36bbcecb9f116c3a854931034196a4c4ce1651f203668602ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aterm v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/utils.rs:71:20
[INFO] [stdout]    |
[INFO] [stdout] 71 |             '\x20' ... '\x7e' => result.push(c),
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BrokenF32` is imported redundantly
[INFO] [stdout]   --> src/rc/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 2  | use bad_idea::BrokenF32;
[INFO] [stdout]    |     ------------------- the item `BrokenF32` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 45 |         use bad_idea::BrokenF32;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]   --> src/parse.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use regex;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate regex;
[INFO] [stdout]    | ------------------- the item `regex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/utils.rs:71:20
[INFO] [stdout]    |
[INFO] [stdout] 71 |             '\x20' ... '\x7e' => result.push(c),
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BrokenF32` is imported redundantly
[INFO] [stdout]   --> src/rc/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 2  | use bad_idea::BrokenF32;
[INFO] [stdout]    |     ------------------- the item `BrokenF32` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 45 |         use bad_idea::BrokenF32;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]   --> src/parse.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use regex;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate regex;
[INFO] [stdout]    | ------------------- the item `regex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/interface.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / lazy_static! {
[INFO] [stdout] 79 | |     static ref INT: Regex = Regex::new(r"^[+\-]?[0-9]+").unwrap();
[INFO] [stdout] 80 | |     static ref REAL: Regex =
[INFO] [stdout] 81 | |         Regex::new(r"^[+\-]?[0-9]+\.[0-9]*([eE][+\-]?[0-9]+)?").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                 .unwrap();
[INFO] [stdout] 87 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / lazy_static! {
[INFO] [stdout] 79 | |     static ref INT: Regex = Regex::new(r"^[+\-]?[0-9]+").unwrap();
[INFO] [stdout] 80 | |     static ref REAL: Regex =
[INFO] [stdout] 81 | |         Regex::new(r"^[+\-]?[0-9]+\.[0-9]*([eE][+\-]?[0-9]+)?").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                 .unwrap();
[INFO] [stdout] 87 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / lazy_static! {
[INFO] [stdout] 79 | |     static ref INT: Regex = Regex::new(r"^[+\-]?[0-9]+").unwrap();
[INFO] [stdout] 80 | |     static ref REAL: Regex =
[INFO] [stdout] 81 | |         Regex::new(r"^[+\-]?[0-9]+\.[0-9]*([eE][+\-]?[0-9]+)?").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                 .unwrap();
[INFO] [stdout] 87 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / lazy_static! {
[INFO] [stdout] 79 | |     static ref INT: Regex = Regex::new(r"^[+\-]?[0-9]+").unwrap();
[INFO] [stdout] 80 | |     static ref REAL: Regex =
[INFO] [stdout] 81 | |         Regex::new(r"^[+\-]?[0-9]+\.[0-9]*([eE][+\-]?[0-9]+)?").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                 .unwrap();
[INFO] [stdout] 87 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / lazy_static! {
[INFO] [stdout] 79 | |     static ref INT: Regex = Regex::new(r"^[+\-]?[0-9]+").unwrap();
[INFO] [stdout] 80 | |     static ref REAL: Regex =
[INFO] [stdout] 81 | |         Regex::new(r"^[+\-]?[0-9]+\.[0-9]*([eE][+\-]?[0-9]+)?").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                 .unwrap();
[INFO] [stdout] 87 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / lazy_static! {
[INFO] [stdout] 79 | |     static ref INT: Regex = Regex::new(r"^[+\-]?[0-9]+").unwrap();
[INFO] [stdout] 80 | |     static ref REAL: Regex =
[INFO] [stdout] 81 | |         Regex::new(r"^[+\-]?[0-9]+\.[0-9]*([eE][+\-]?[0-9]+)?").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                 .unwrap();
[INFO] [stdout] 87 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/parse.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     string.trim_left_matches(|c| '\t' <= c && c <= '\r' || c == ' ')
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 93 |     string.trim_start_matches(|c| '\t' <= c && c <= '\r' || c == ' ')
[INFO] [stdout]    |            ~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/parse.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let input = input.trim_left();
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let input = input.trim_start();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/parse.rs:337:32
[INFO] [stdout]     |
[INFO] [stdout] 337 |     let input: &'t str = input.trim_left();
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 337 |     let input: &'t str = input.trim_start();
[INFO] [stdout]     |                                ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/parse.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     string.trim_left_matches(|c| '\t' <= c && c <= '\r' || c == ' ')
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 93 |     string.trim_start_matches(|c| '\t' <= c && c <= '\r' || c == ' ')
[INFO] [stdout]    |            ~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/parse.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let input = input.trim_left();
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let input = input.trim_start();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/parse.rs:337:32
[INFO] [stdout]     |
[INFO] [stdout] 337 |     let input: &'t str = input.trim_left();
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 337 |     let input: &'t str = input.trim_start();
[INFO] [stdout]     |                                ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rc/shared.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rc/mod.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rc/shared.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rc/mod.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/rc/mod.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 71 - pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
[INFO] [stdout] 71 + pub type T<'s, A> = Term<'s, <A as ATermT<'s>>::Blob>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/rc/mod.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 71 - pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
[INFO] [stdout] 71 + pub type T<'s, A> = Term<'s, <A as ATermT<'s>>::Blob>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "b1c97c4741b43d36bbcecb9f116c3a854931034196a4c4ce1651f203668602ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c97c4741b43d36bbcecb9f116c3a854931034196a4c4ce1651f203668602ff", kill_on_drop: false }`
[INFO] [stdout] b1c97c4741b43d36bbcecb9f116c3a854931034196a4c4ce1651f203668602ff
