[INFO] fetching crate maybe-multiple 0.1.0... [INFO] checking maybe-multiple-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate maybe-multiple 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate maybe-multiple 0.1.0 [INFO] finished tweaking crates.io crate maybe-multiple 0.1.0 [INFO] tweaked toml for crates.io crate maybe-multiple 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate maybe-multiple 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 62 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.16) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b0be9f291ba94c000c571275a169bade9eb846a7a631d0adbfb634c8fd51782 [INFO] running `Command { std: "docker" "start" "-a" "3b0be9f291ba94c000c571275a169bade9eb846a7a631d0adbfb634c8fd51782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b0be9f291ba94c000c571275a169bade9eb846a7a631d0adbfb634c8fd51782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b0be9f291ba94c000c571275a169bade9eb846a7a631d0adbfb634c8fd51782", kill_on_drop: false }` [INFO] [stdout] 3b0be9f291ba94c000c571275a169bade9eb846a7a631d0adbfb634c8fd51782 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06512fb93678257cded7e11505c8341d5dca0fce5d09b41940559063621d8f1d [INFO] running `Command { std: "docker" "start" "-a" "06512fb93678257cded7e11505c8341d5dca0fce5d09b41940559063621d8f1d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Checking linux-raw-sys v0.9.4 [INFO] [stderr] Checking bitflags v2.9.3 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking bit-vec v0.8.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking bit-set v0.8.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking rand_xorshift v0.4.0 [INFO] [stderr] Checking tempfile v3.21.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking proptest v1.7.0 [INFO] [stderr] Compiling structmeta-derive v0.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling structmeta v0.3.0 [INFO] [stderr] Checking maybe-multiple v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling derive-ex v0.1.8 [INFO] [stderr] Compiling test-strategy v0.4.3 [INFO] [stdout] error[E0277]: the trait bound `MaybeMultiple: serde::ser::Serialize` is not satisfied [INFO] [stdout] --> src/maybe_multiple.rs:111:35 [INFO] [stdout] | [INFO] [stdout] 111 | serde_json::to_string(&MaybeMultiple::::None).unwrap(), [INFO] [stdout] | --------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `MaybeMultiple` [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 `MaybeMultiple` 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-1.0.143/src/ser.rs:2247:17 [INFO] [stdout] | [INFO] [stdout] 2245 | pub fn to_string(value: &T) -> Result [INFO] [stdout] | --------- required by a bound in this function [INFO] [stdout] 2246 | where [INFO] [stdout] 2247 | T: ?Sized + Serialize, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `to_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `MaybeMultiple: serde::de::Deserialize<'_>` is not satisfied [INFO] [stdout] --> src/maybe_multiple.rs:115:36 [INFO] [stdout] | [INFO] [stdout] 115 | serde_json::from_str::>("null").unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `MaybeMultiple` [INFO] [stdout] | [INFO] [stdout] = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `MaybeMultiple` 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-1.0.143/src/de.rs:2699:8 [INFO] [stdout] | [INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result [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 `MaybeMultiple: serde::ser::Serialize` is not satisfied [INFO] [stdout] --> src/maybe_multiple.rs:124:35 [INFO] [stdout] | [INFO] [stdout] 124 | serde_json::to_string(&maybe_multiple).unwrap(), [INFO] [stdout] | --------------------- ^^^^^^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `MaybeMultiple` [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 `MaybeMultiple` 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-1.0.143/src/ser.rs:2247:17 [INFO] [stdout] | [INFO] [stdout] 2245 | pub fn to_string(value: &T) -> Result [INFO] [stdout] | --------- required by a bound in this function [INFO] [stdout] 2246 | where [INFO] [stdout] 2247 | T: ?Sized + Serialize, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `to_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `MaybeMultiple<_>: serde::de::Deserialize<'_>` is not satisfied [INFO] [stdout] --> src/maybe_multiple.rs:130:36 [INFO] [stdout] | [INFO] [stdout] 130 | serde_json::from_str::>(&val_str).unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `MaybeMultiple<_>` [INFO] [stdout] | [INFO] [stdout] = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `MaybeMultiple<_>` 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-1.0.143/src/de.rs:2699:8 [INFO] [stdout] | [INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result [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 `MaybeMultiple: serde::ser::Serialize` is not satisfied [INFO] [stdout] --> src/maybe_multiple.rs:139:35 [INFO] [stdout] | [INFO] [stdout] 139 | serde_json::to_string(&maybe_multiple).unwrap(), [INFO] [stdout] | --------------------- ^^^^^^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `MaybeMultiple` [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 `MaybeMultiple` 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-1.0.143/src/ser.rs:2247:17 [INFO] [stdout] | [INFO] [stdout] 2245 | pub fn to_string(value: &T) -> Result [INFO] [stdout] | --------- required by a bound in this function [INFO] [stdout] 2246 | where [INFO] [stdout] 2247 | T: ?Sized + Serialize, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `to_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `MaybeMultiple<_>: serde::de::Deserialize<'_>` is not satisfied [INFO] [stdout] --> src/maybe_multiple.rs:145:36 [INFO] [stdout] | [INFO] [stdout] 145 | serde_json::from_str::>(&vec_str).unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `MaybeMultiple<_>` [INFO] [stdout] | [INFO] [stdout] = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `MaybeMultiple<_>` 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-1.0.143/src/de.rs:2699:8 [INFO] [stdout] | [INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result [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 `Multiple: serde::ser::Serialize` is not satisfied [INFO] [stdout] --> src/multiple.rs:132:35 [INFO] [stdout] | [INFO] [stdout] 132 | serde_json::to_string(&multiple).unwrap(), [INFO] [stdout] | --------------------- ^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Multiple` [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 `Multiple` 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-1.0.143/src/ser.rs:2247:17 [INFO] [stdout] | [INFO] [stdout] 2245 | pub fn to_string(value: &T) -> Result [INFO] [stdout] | --------- required by a bound in this function [INFO] [stdout] 2246 | where [INFO] [stdout] 2247 | T: ?Sized + Serialize, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `to_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Multiple<_>: serde::de::Deserialize<'_>` is not satisfied [INFO] [stdout] --> src/multiple.rs:138:36 [INFO] [stdout] | [INFO] [stdout] 138 | serde_json::from_str::>(&vec_str).unwrap(), [INFO] [stdout] | ^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `Multiple<_>` [INFO] [stdout] | [INFO] [stdout] = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Multiple<_>` 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-1.0.143/src/de.rs:2699:8 [INFO] [stdout] | [INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result [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 `maybe-multiple` (lib test) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "06512fb93678257cded7e11505c8341d5dca0fce5d09b41940559063621d8f1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06512fb93678257cded7e11505c8341d5dca0fce5d09b41940559063621d8f1d", kill_on_drop: false }` [INFO] [stdout] 06512fb93678257cded7e11505c8341d5dca0fce5d09b41940559063621d8f1d