[INFO] fetching crate matchable 0.1.1...
[INFO] testing matchable-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate matchable 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate matchable 0.1.1
[INFO] finished tweaking crates.io crate matchable 0.1.1
[INFO] tweaked toml for crates.io crate matchable 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matchable 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f23de7625889219ee02a1546dd534280d58632a3cdc940a77d0688f200a3a4e
[INFO] running `Command { std: "docker" "start" "-a" "8f23de7625889219ee02a1546dd534280d58632a3cdc940a77d0688f200a3a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f23de7625889219ee02a1546dd534280d58632a3cdc940a77d0688f200a3a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f23de7625889219ee02a1546dd534280d58632a3cdc940a77d0688f200a3a4e", kill_on_drop: false }`
[INFO] [stdout] 8f23de7625889219ee02a1546dd534280d58632a3cdc940a77d0688f200a3a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42590e19dec9281e8248202fbd79b8e656727d72c1fe34ef6cdf62e707970e56
[INFO] running `Command { std: "docker" "start" "-a" "42590e19dec9281e8248202fbd79b8e656727d72c1fe34ef6cdf62e707970e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling matchable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "42590e19dec9281e8248202fbd79b8e656727d72c1fe34ef6cdf62e707970e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42590e19dec9281e8248202fbd79b8e656727d72c1fe34ef6cdf62e707970e56", kill_on_drop: false }`
[INFO] [stdout] 42590e19dec9281e8248202fbd79b8e656727d72c1fe34ef6cdf62e707970e56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8523681b750818928a2d67e9c70a41e70169d88e30a0e36946d855a075606a6d
[INFO] running `Command { std: "docker" "start" "-a" "8523681b750818928a2d67e9c70a41e70169d88e30a0e36946d855a075606a6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling matchable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Matchable: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:278:25
[INFO] [stdout]      |
[INFO] [stdout]  278 |         let matchable = serde_json::from_str(r#""abc""#).unwrap();
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `Matchable`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Matchable` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Matchable: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:284:25
[INFO] [stdout]      |
[INFO] [stdout]  284 |         let matchable = serde_json::from_str(r#""/\\d+/""#).unwrap();
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `Matchable`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Matchable` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Matchable: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:287:25
[INFO] [stdout]      |
[INFO] [stdout]  287 |         let matchable = serde_json::from_str(r#""/[ab]/i""#).unwrap();
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `Matchable`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Matchable` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Matchable: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:291:25
[INFO] [stdout]      |
[INFO] [stdout]  291 |         let matchable = serde_json::from_str(r#""/./s""#).unwrap();
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `Matchable`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Matchable` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Matchable: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:295:44
[INFO] [stdout]      |
[INFO] [stdout]  295 |         let error = serde_json::from_str::<Matchable>(r#""/(/""#).unwrap_err();
[INFO] [stdout]      |                                            ^^^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `Matchable`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Matchable` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `RegexOnly: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:301:44
[INFO] [stdout]      |
[INFO] [stdout]  301 |         let regex = serde_json::from_str::<RegexOnly>(r#""\\d+""#).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `RegexOnly`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `RegexOnly` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `RegexOnly: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:305:44
[INFO] [stdout]      |
[INFO] [stdout]  305 |         let regex = serde_json::from_str::<RegexOnly>(r#""/[ab]/i""#).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `RegexOnly`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `RegexOnly` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `RegexOnly: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:311:44
[INFO] [stdout]      |
[INFO] [stdout]  311 |         let error = serde_json::from_str::<RegexOnly>(r#""(""#).unwrap_err();
[INFO] [stdout]      |                                            ^^^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `RegexOnly`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `RegexOnly` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matchable` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "8523681b750818928a2d67e9c70a41e70169d88e30a0e36946d855a075606a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8523681b750818928a2d67e9c70a41e70169d88e30a0e36946d855a075606a6d", kill_on_drop: false }`
[INFO] [stdout] 8523681b750818928a2d67e9c70a41e70169d88e30a0e36946d855a075606a6d