[INFO] fetching crate media-type 0.4.1-unstable...
[INFO] checking media-type-0.4.1-unstable against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate media-type 0.4.1-unstable into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate media-type 0.4.1-unstable 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 media-type 0.4.1-unstable
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate media-type 0.4.1-unstable
[INFO] tweaked toml for crates.io crate media-type 0.4.1-unstable written to /workspace/builds/worker-2-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]     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 lazy_static v0.2.11
[INFO] [stderr]   Downloaded quoted-string v0.6.1
[INFO] [stderr]   Downloaded lut v0.1.0-unstable
[INFO] [stderr]   Downloaded media-type-impl-utils v0.3.0-unstable
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8b0e774f41460ecf09f5b5a16944c8edd732d32815cc55463a632c487707deec
[INFO] running `Command { std: "docker" "start" "-a" "8b0e774f41460ecf09f5b5a16944c8edd732d32815cc55463a632c487707deec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0e774f41460ecf09f5b5a16944c8edd732d32815cc55463a632c487707deec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0e774f41460ecf09f5b5a16944c8edd732d32815cc55463a632c487707deec", kill_on_drop: false }`
[INFO] [stdout] 8b0e774f41460ecf09f5b5a16944c8edd732d32815cc55463a632c487707deec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5c0b17b65e2b81cdcd8e283b64886ce06178a9cb9d7968a7fe120c5efb444340
[INFO] running `Command { std: "docker" "start" "-a" "5c0b17b65e2b81cdcd8e283b64886ce06178a9cb9d7968a7fe120c5efb444340", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking quoted-string v0.6.1
[INFO] [stderr]     Checking lut v0.1.0-unstable
[INFO] [stderr]     Checking media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]     Checking media-type v0.4.1-unstable (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/value.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{PartialEq, Eq};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/value.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{PartialEq, Eq};
[INFO] [stdout]   |                           ^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `quoted_string` is imported redundantly
[INFO] [stdout]   --> src/value.rs:5:21
[INFO] [stdout]    |
[INFO] [stdout] 5  | use quoted_string::{self, ContentChars, AsciiCaseInsensitiveEq};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate quoted_string;
[INFO] [stdout]    | --------------------------- the item `quoted_string` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ascii`, `HttpSpec`, `InternationalizedSwitch`, `Internationalized`, `MimeSpec`, `Modern`, `ObsNormalSwitch`, `Obs`, `StrictSpec`
[INFO] [stdout]   --> src/parse/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     StrictSpec,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 10 |     MimeSpec, HttpSpec,
[INFO] [stdout]    |     ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 11 |     Obs, Modern, Internationalized, Ascii,
[INFO] [stdout]    |     ^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 12 |     ObsNormalSwitch, InternationalizedSwitch,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/media_type.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{Iterator, ExactSizeIterator};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/media_type.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{Iterator, ExactSizeIterator};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/value.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{PartialEq, Eq};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/value.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{PartialEq, Eq};
[INFO] [stdout]   |                           ^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `quoted_string` is imported redundantly
[INFO] [stdout]   --> src/value.rs:5:21
[INFO] [stdout]    |
[INFO] [stdout] 5  | use quoted_string::{self, ContentChars, AsciiCaseInsensitiveEq};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate quoted_string;
[INFO] [stdout]    | --------------------------- the item `quoted_string` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]    --> src/value.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     use std::cmp::PartialEq;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ascii`, `HttpSpec`, `InternationalizedSwitch`, `Internationalized`, `MimeSpec`, `Modern`, `ObsNormalSwitch`, `Obs`
[INFO] [stdout]   --> src/parse/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     MimeSpec, HttpSpec,
[INFO] [stdout]    |     ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 11 |     Obs, Modern, Internationalized, Ascii,
[INFO] [stdout]    |     ^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 12 |     ObsNormalSwitch, InternationalizedSwitch,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/media_type.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{Iterator, ExactSizeIterator};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/media_type.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{Iterator, ExactSizeIterator};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AnySpec` is imported redundantly
[INFO] [stdout]    --> src/media_type.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |     use parse::{AnySpec, StrictSpec};
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 462 |     use spec::*;
[INFO] [stdout]     |         ------- the item `AnySpec` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `StrictSpec` is imported redundantly
[INFO] [stdout]    --> src/media_type.rs:461:26
[INFO] [stdout]     |
[INFO] [stdout] 461 |     use parse::{AnySpec, StrictSpec};
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout] 462 |     use spec::*;
[INFO] [stdout]     |         ------- the item `StrictSpec` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&StdError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&dyn StdError> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn cause(&self) -> Option<&StdError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn cause(&self) -> Option<&dyn StdError> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn cause(&self) -> Option<&StdError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn cause(&self) -> Option<&dyn StdError> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&StdError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&dyn StdError> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn cause(&self) -> Option<&StdError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn cause(&self) -> Option<&dyn StdError> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:68:66
[INFO] [stdout]    |
[INFO] [stdout] 68 |             &QuotedParamValue { ref cause, ..} => Some(cause as &StdError),
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |             &QuotedParamValue { ref cause, ..} => Some(cause as &dyn StdError),
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:69:68
[INFO] [stdout]    |
[INFO] [stdout] 69 |             &UnquotedParamValue { ref cause, ..} => Some(cause as &StdError),
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |             &UnquotedParamValue { ref cause, ..} => Some(cause as &dyn StdError),
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn cause(&self) -> Option<&StdError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn cause(&self) -> Option<&dyn StdError> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:68:66
[INFO] [stdout]    |
[INFO] [stdout] 68 |             &QuotedParamValue { ref cause, ..} => Some(cause as &StdError),
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |             &QuotedParamValue { ref cause, ..} => Some(cause as &dyn StdError),
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:69:68
[INFO] [stdout]    |
[INFO] [stdout] 69 |             &UnquotedParamValue { ref cause, ..} => Some(cause as &StdError),
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |             &UnquotedParamValue { ref cause, ..} => Some(cause as &dyn StdError),
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/media_type.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut tail = self.buffer[end..].to_owned();
[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: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `mime`
[INFO] [stdout]  --> benches/fmt.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate mime;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `media-type` (bench "fmt") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `mime`
[INFO] [stdout]  --> benches/parse.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate mime;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/media_type.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut tail = self.buffer[end..].to_owned();
[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] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `media-type` (bench "parse") due to 2 previous errors
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c0b17b65e2b81cdcd8e283b64886ce06178a9cb9d7968a7fe120c5efb444340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0b17b65e2b81cdcd8e283b64886ce06178a9cb9d7968a7fe120c5efb444340", kill_on_drop: false }`
[INFO] [stdout] 5c0b17b65e2b81cdcd8e283b64886ce06178a9cb9d7968a7fe120c5efb444340
