[INFO] fetching crate potential_utf 0.1.2...
[INFO] checking potential_utf-0.1.2 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate potential_utf 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate potential_utf 0.1.2
[INFO] finished tweaking crates.io crate potential_utf 0.1.2
[INFO] tweaked toml for crates.io crate potential_utf 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate potential_utf 0.1.2 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate potential_utf 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded writeable v0.6.0
[INFO] [stderr]   Downloaded databake v0.2.0
[INFO] [stderr]   Downloaded zerovec v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e93be43d3b693e06a26b365085043a735603d6b011db9ce3a4af6aee7c977e
[INFO] running `Command { std: "docker" "start" "-a" "f8e93be43d3b693e06a26b365085043a735603d6b011db9ce3a4af6aee7c977e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e93be43d3b693e06a26b365085043a735603d6b011db9ce3a4af6aee7c977e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e93be43d3b693e06a26b365085043a735603d6b011db9ce3a4af6aee7c977e", kill_on_drop: false }`
[INFO] [stdout] f8e93be43d3b693e06a26b365085043a735603d6b011db9ce3a4af6aee7c977e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 856332c58bfab6d9737ac56e1feec7862465cc41bb2097d6de735a2ec29edd85
[INFO] running `Command { std: "docker" "start" "-a" "856332c58bfab6d9737ac56e1feec7862465cc41bb2097d6de735a2ec29edd85", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking potential_utf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stdout] error[E0432]: unresolved import `zerovec`
[INFO] [stdout]    --> src/uchar.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     use zerovec::ZeroVec;
[INFO] [stdout]     |         ^^^^^^^ use of unresolved module or unlinked crate `zerovec`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `zerovec`, use `cargo add zerovec` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `databake`
[INFO] [stdout]    --> src/uchar.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |         databake::test_bake!(
[INFO] [stdout]     |         ^^^^^^^^ use of unresolved module or unlinked crate `databake`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `databake`
[INFO] [stdout]    --> src/uchar.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         databake::test_bake!(
[INFO] [stdout]     |         ^^^^^^^^ use of unresolved module or unlinked crate `databake`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `uchar::PotentialCodePoint: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/uchar.rs:299:31
[INFO] [stdout]      |
[INFO] [stdout] 299  |         serde_json::to_string(&uc).expect_err("serialize invalid char bytes");
[INFO] [stdout]      |         --------------------- ^^^ the trait `serde::ser::Serialize` is not implemented for `uchar::PotentialCodePoint`
[INFO] [stdout]      |         |
[INFO] [stdout]      |         required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `uchar::PotentialCodePoint` 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::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 131 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.139/src/ser.rs:2239:17
[INFO] [stdout]      |
[INFO] [stdout] 2237 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2238 | where
[INFO] [stdout] 2239 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `uchar::PotentialCodePoint: serde::ser::Serialize` is not satisfied
[INFO] [stdout]    --> src/uchar.rs:300:28
[INFO] [stdout]     |
[INFO] [stdout] 300 |         bincode::serialize(&uc).expect_err("serialize invalid char bytes");
[INFO] [stdout]     |         ------------------ ^^^ the trait `serde::ser::Serialize` is not implemented for `uchar::PotentialCodePoint`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: for local types consider adding `#[derive(serde::Serialize)]` to your `uchar::PotentialCodePoint` 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::ser::Serialize`:
[INFO] [stdout]               &'a T
[INFO] [stdout]               &'a mut T
[INFO] [stdout]               ()
[INFO] [stdout]               (T,)
[INFO] [stdout]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]               (T0, T1, T2, T3, T4)
[INFO] [stdout]             and 131 others
[INFO] [stdout] note: required by a bound in `bincode::serialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bincode-1.3.3/src/lib.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn serialize<T: ?Sized>(value: &T) -> Result<Vec<u8>>
[INFO] [stdout]     |        --------- required by a bound in this function
[INFO] [stdout] 107 | where
[INFO] [stdout] 108 |     T: serde::Serialize,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ required by this bound in `serialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `uchar::PotentialCodePoint: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/uchar.rs:307:46
[INFO] [stdout]      |
[INFO] [stdout] 307  |         let json_ser = serde_json::to_string(&uc).unwrap();
[INFO] [stdout]      |                        --------------------- ^^^ the trait `serde::ser::Serialize` is not implemented for `uchar::PotentialCodePoint`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `uchar::PotentialCodePoint` 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::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 131 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.139/src/ser.rs:2239:17
[INFO] [stdout]      |
[INFO] [stdout] 2237 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2238 | where
[INFO] [stdout] 2239 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `uchar::PotentialCodePoint: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/uchar.rs:311:43
[INFO] [stdout]      |
[INFO] [stdout] 311  |         let json_de: PotentialCodePoint = serde_json::from_str(&json_ser).unwrap();
[INFO] [stdout]      |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `uchar::PotentialCodePoint`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `uchar::PotentialCodePoint` 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::de::Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[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 142 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-1.0.139/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 `uchar::PotentialCodePoint: serde::ser::Serialize` is not satisfied
[INFO] [stdout]    --> src/uchar.rs:320:44
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let bytes_ser = bincode::serialize(&uc).unwrap();
[INFO] [stdout]     |                         ------------------ ^^^ the trait `serde::ser::Serialize` is not implemented for `uchar::PotentialCodePoint`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: for local types consider adding `#[derive(serde::Serialize)]` to your `uchar::PotentialCodePoint` 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::ser::Serialize`:
[INFO] [stdout]               &'a T
[INFO] [stdout]               &'a mut T
[INFO] [stdout]               ()
[INFO] [stdout]               (T,)
[INFO] [stdout]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]               (T0, T1, T2, T3, T4)
[INFO] [stdout]             and 131 others
[INFO] [stdout] note: required by a bound in `bincode::serialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bincode-1.3.3/src/lib.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn serialize<T: ?Sized>(value: &T) -> Result<Vec<u8>>
[INFO] [stdout]     |        --------- required by a bound in this function
[INFO] [stdout] 107 | where
[INFO] [stdout] 108 |     T: serde::Serialize,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ required by this bound in `serialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `uchar::PotentialCodePoint: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]    --> src/uchar.rs:324:44
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let bytes_de: PotentialCodePoint = bincode::deserialize(&bytes_ser).unwrap();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `uchar::PotentialCodePoint`
[INFO] [stdout]     |
[INFO] [stdout]     = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `uchar::PotentialCodePoint` 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::de::Deserialize<'de>`:
[INFO] [stdout]               &'a Path
[INFO] [stdout]               &'a [u8]
[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 142 others
[INFO] [stdout] note: required by a bound in `bincode::deserialize`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bincode-1.3.3/src/lib.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn deserialize<'a, T>(bytes: &'a [u8]) -> Result<T>
[INFO] [stdout]     |        ----------- required by a bound in this function
[INFO] [stdout] 178 | where
[INFO] [stdout] 179 |     T: serde::de::Deserialize<'a>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `deserialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `potential_utf` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "856332c58bfab6d9737ac56e1feec7862465cc41bb2097d6de735a2ec29edd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856332c58bfab6d9737ac56e1feec7862465cc41bb2097d6de735a2ec29edd85", kill_on_drop: false }`
[INFO] [stdout] 856332c58bfab6d9737ac56e1feec7862465cc41bb2097d6de735a2ec29edd85
