[INFO] fetching crate calm 0.1.0...
[INFO] checking calm-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate calm 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate calm 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calm 0.1.0
[INFO] finished tweaking crates.io crate calm 0.1.0
[INFO] tweaked toml for crates.io crate calm 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77e8e7cbb1f4e1798151d2140b516afed9189badf5bcf7e89ac632f7cbaab94b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "77e8e7cbb1f4e1798151d2140b516afed9189badf5bcf7e89ac632f7cbaab94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77e8e7cbb1f4e1798151d2140b516afed9189badf5bcf7e89ac632f7cbaab94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e8e7cbb1f4e1798151d2140b516afed9189badf5bcf7e89ac632f7cbaab94b", kill_on_drop: false }`
[INFO] [stdout] 77e8e7cbb1f4e1798151d2140b516afed9189badf5bcf7e89ac632f7cbaab94b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30801025a97ac7a175c728b44567824ed90c145d57864762fef5e49702e744eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30801025a97ac7a175c728b44567824ed90c145d57864762fef5e49702e744eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking which v1.0.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking string_cache v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking clicolors-control v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking indicatif v0.6.0
[INFO] [stderr]     Checking console v0.5.0
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stderr]     Checking calm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ctx.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |         -> Result<Box<Runtime<'a> + 'a>>
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runtime<'a> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rt/common.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn update_env(&self, _f: &mut FnMut(&OsStr, &OsStr)) -> Result<()> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&OsStr, &OsStr)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rt/python.rs:64:34
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn update_env(&self, f: &mut FnMut(&OsStr, &OsStr)) -> Result<()> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&OsStr, &OsStr)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rt/js.rs:59:34
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn update_env(&self, f: &mut FnMut(&OsStr, &OsStr)) -> Result<()> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&OsStr, &OsStr)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tools.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     runtimes: Vec<Box<Runtime<'a> + 'a>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runtime<'a> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/cmd.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub on_stdout: Option<Box<FnMut(&str) -> Result<Cow<'static, str>> + Send + Sync + 'a>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> Result<Cow<'static, str>> + Send + Sync + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/cmd.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub on_stderr: Option<Box<FnMut(&str) -> Result<Cow<'static, str>> + Send + Sync + 'a>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> Result<Cow<'static, str>> + Send + Sync + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/cmd.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |                           mut f: Option<&mut Box<FnMut(&str)
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 49 | |                             -> Result<Cow<'static, str>> + Send + Sync + 'a>>,
[INFO] [stdout]    | |___________________________________________________________________________^
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         mut f: Option<&mut Box<dyn FnMut(&str)
[INFO] [stdout] 49 |                             -> Result<Cow<'static, str>> + Send + Sync + 'a>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/config.rs:256:34
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut cache_dir = env::home_dir().ok_or(
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     errors {
[INFO] [stdout] 12 | |         QuietExit(code: i32) {
[INFO] [stdout] 13 | |             description("calm quit")
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (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/report.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / lazy_static! {
[INFO] [stdout] 20 | |     static ref IDENT_RE: Regex = Regex::new(
[INFO] [stdout] 21 | |         r#"(?x)
[INFO] [stdout] 22 | |             [\d\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}$_]
[INFO] [stdout] 23 | |             [\d\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}\p{Mn}\p{Mc}\p{Nd}\p{Pc}$_]*
[INFO] [stdout] 24 | |         "#).unwrap();
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/utils/cmd.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 | /     lazy_static! {
[INFO] [stdout] 221 | |         static ref VAR_RE: Regex = Regex::new(
[INFO] [stdout] 222 | |             r"\$(\$|[a-zA-Z0-9_]+|\([^)]+\)|\{[^}]+\})").unwrap();
[INFO] [stdout] 223 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (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/utils/serde.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / lazy_static! {
[INFO] [stdout] 15 | |     static ref REGEX_RE: Regex = Regex::new(
[INFO] [stdout] 16 | |         r#"(?sm)^\s*/(.*)/([a-z]*)\s*$"#).unwrap();
[INFO] [stdout] 17 | |     static ref LINK_RE: Regex = Regex::new(
[INFO] [stdout] 18 | |         r#"^(.+?)(?:\s+->\s+(.+?))?$"#).unwrap();
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/utils/serde.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / lazy_static! {
[INFO] [stdout] 15 | |     static ref REGEX_RE: Regex = Regex::new(
[INFO] [stdout] 16 | |         r#"(?sm)^\s*/(.*)/([a-z]*)\s*$"#).unwrap();
[INFO] [stdout] 17 | |     static ref LINK_RE: Regex = Regex::new(
[INFO] [stdout] 18 | |         r#"^(.+?)(?:\s+->\s+(.+?))?$"#).unwrap();
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/utils/hooks.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     static ref HOOK_RE: Regex = Regex::new(
[INFO] [stdout] 14 | |         r#"(?m)^calm\s+hook\s+--exec-([\w-]+)\s+\|\|\s+exit\s+1\s*?\r?\n?"#).unwrap();
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ctx.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |         -> Result<Box<Runtime<'a> + 'a>>
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runtime<'a> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rt/common.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn update_env(&self, _f: &mut FnMut(&OsStr, &OsStr)) -> Result<()> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&OsStr, &OsStr)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rt/python.rs:64:34
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn update_env(&self, f: &mut FnMut(&OsStr, &OsStr)) -> Result<()> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&OsStr, &OsStr)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rt/js.rs:59:34
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn update_env(&self, f: &mut FnMut(&OsStr, &OsStr)) -> Result<()> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&OsStr, &OsStr)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tools.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     runtimes: Vec<Box<Runtime<'a> + 'a>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runtime<'a> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/cmd.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub on_stdout: Option<Box<FnMut(&str) -> Result<Cow<'static, str>> + Send + Sync + 'a>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> Result<Cow<'static, str>> + Send + Sync + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/cmd.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub on_stderr: Option<Box<FnMut(&str) -> Result<Cow<'static, str>> + Send + Sync + 'a>>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str) -> Result<Cow<'static, str>> + Send + Sync + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/cmd.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |                           mut f: Option<&mut Box<FnMut(&str)
[INFO] [stdout]    |  ________________________________________________^
[INFO] [stdout] 49 | |                             -> Result<Cow<'static, str>> + Send + Sync + 'a>>,
[INFO] [stdout]    | |___________________________________________________________________________^
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         mut f: Option<&mut Box<dyn FnMut(&str)
[INFO] [stdout] 49 |                             -> Result<Cow<'static, str>> + Send + Sync + 'a>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/config.rs:256:34
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut cache_dir = env::home_dir().ok_or(
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     errors {
[INFO] [stdout] 12 | |         QuietExit(code: i32) {
[INFO] [stdout] 13 | |             description("calm quit")
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (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/report.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / lazy_static! {
[INFO] [stdout] 20 | |     static ref IDENT_RE: Regex = Regex::new(
[INFO] [stdout] 21 | |         r#"(?x)
[INFO] [stdout] 22 | |             [\d\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}$_]
[INFO] [stdout] 23 | |             [\d\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}\p{Mn}\p{Mc}\p{Nd}\p{Pc}$_]*
[INFO] [stdout] 24 | |         "#).unwrap();
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/utils/cmd.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 | /     lazy_static! {
[INFO] [stdout] 221 | |         static ref VAR_RE: Regex = Regex::new(
[INFO] [stdout] 222 | |             r"\$(\$|[a-zA-Z0-9_]+|\([^)]+\)|\{[^}]+\})").unwrap();
[INFO] [stdout] 223 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (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/utils/serde.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / lazy_static! {
[INFO] [stdout] 15 | |     static ref REGEX_RE: Regex = Regex::new(
[INFO] [stdout] 16 | |         r#"(?sm)^\s*/(.*)/([a-z]*)\s*$"#).unwrap();
[INFO] [stdout] 17 | |     static ref LINK_RE: Regex = Regex::new(
[INFO] [stdout] 18 | |         r#"^(.+?)(?:\s+->\s+(.+?))?$"#).unwrap();
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/utils/serde.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / lazy_static! {
[INFO] [stdout] 15 | |     static ref REGEX_RE: Regex = Regex::new(
[INFO] [stdout] 16 | |         r#"(?sm)^\s*/(.*)/([a-z]*)\s*$"#).unwrap();
[INFO] [stdout] 17 | |     static ref LINK_RE: Regex = Regex::new(
[INFO] [stdout] 18 | |         r#"^(.+?)(?:\s+->\s+(.+?))?$"#).unwrap();
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/utils/hooks.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     static ref HOOK_RE: Regex = Regex::new(
[INFO] [stdout] 14 | |         r#"(?m)^calm\s+hook\s+--exec-([\w-]+)\s+\|\|\s+exit\s+1\s*?\r?\n?"#).unwrap();
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/cli.rs:173:25
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut cause = err.cause();
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/cli.rs:176:27
[INFO] [stdout]     |
[INFO] [stdout] 176 |         cause = the_cause.cause();
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/cli.rs:173:25
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut cause = err.cause();
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/cli.rs:176:27
[INFO] [stdout]     |
[INFO] [stdout] 176 |         cause = the_cause.cause();
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/report.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let stripped_line = line.trim_left();
[INFO] [stdout]     |                                          ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/report.rs:111:57
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 write!(f, "\n  {}", style(stripped_line.trim_right()).dim())?;
[INFO] [stdout]     |                                                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/report.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let stripped_line = line.trim_left();
[INFO] [stdout]     |                                          ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/report.rs:111:57
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 write!(f, "\n  {}", style(stripped_line.trim_right()).dim())?;
[INFO] [stdout]     |                                                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     errors {
[INFO] [stdout] 12 | |         QuietExit(code: i32) {
[INFO] [stdout] 13 | |             description("calm quit")
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     errors {
[INFO] [stdout] 12 | |         QuietExit(code: i32) {
[INFO] [stdout] 13 | |             description("calm quit")
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tools.rs:134:50
[INFO] [stdout]     |
[INFO] [stdout] 134 |             if let Some(report) = opts.and_then(|mut x| x.report.as_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/tools.rs:134:50
[INFO] [stdout]     |
[INFO] [stdout] 134 |             if let Some(report) = opts.and_then(|mut x| x.report.as_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: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.07s
[INFO] running `Command { std: "docker" "inspect" "30801025a97ac7a175c728b44567824ed90c145d57864762fef5e49702e744eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30801025a97ac7a175c728b44567824ed90c145d57864762fef5e49702e744eb", kill_on_drop: false }`
[INFO] [stdout] 30801025a97ac7a175c728b44567824ed90c145d57864762fef5e49702e744eb
