[INFO] fetching crate udsn 0.2.1...
[INFO] testing udsn-0.2.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate udsn 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate udsn 0.2.1
[INFO] finished tweaking crates.io crate udsn 0.2.1
[INFO] tweaked toml for crates.io crate udsn 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate udsn 0.2.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate udsn 0.2.1 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98bbc910c2a65bdb9bf7c6e6e76275e153cb22d8cef74e0280a3eca4072b32e
[INFO] running `Command { std: "docker" "start" "-a" "e98bbc910c2a65bdb9bf7c6e6e76275e153cb22d8cef74e0280a3eca4072b32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98bbc910c2a65bdb9bf7c6e6e76275e153cb22d8cef74e0280a3eca4072b32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98bbc910c2a65bdb9bf7c6e6e76275e153cb22d8cef74e0280a3eca4072b32e", kill_on_drop: false }`
[INFO] [stdout] e98bbc910c2a65bdb9bf7c6e6e76275e153cb22d8cef74e0280a3eca4072b32e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24c11eafa6e9bffde132251b41bf60db16a59ede5e1a8eca46af22b427e3f83e
[INFO] running `Command { std: "docker" "start" "-a" "24c11eafa6e9bffde132251b41bf60db16a59ede5e1a8eca46af22b427e3f83e", kill_on_drop: false }`
[INFO] [stderr]    Compiling udsn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "24c11eafa6e9bffde132251b41bf60db16a59ede5e1a8eca46af22b427e3f83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c11eafa6e9bffde132251b41bf60db16a59ede5e1a8eca46af22b427e3f83e", kill_on_drop: false }`
[INFO] [stdout] 24c11eafa6e9bffde132251b41bf60db16a59ede5e1a8eca46af22b427e3f83e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e84ee5de8276109258d5688671a977707e8dd8df3fd7ed9825079876234530
[INFO] running `Command { std: "docker" "start" "-a" "b6e84ee5de8276109258d5688671a977707e8dd8df3fd7ed9825079876234530", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling udsn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `DSN: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:383:14
[INFO] [stdout]      |
[INFO] [stdout]  383 |         dsn: DSN,
[INFO] [stdout]      |              ^^^ unsatisfied trait bound
[INFO] [stdout]      |
[INFO] [stdout] help: the trait `Deserialize<'_>` is not implemented for `DSN`
[INFO] [stdout]     --> src/lib.rs:7:1
[INFO] [stdout]      |
[INFO] [stdout]    7 | pub struct DSN {
[INFO] [stdout]      | ^^^^^^^^^^^^^^
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `DSN` 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 `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 143 others
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/de/mod.rs:1771:12
[INFO] [stdout]      |
[INFO] [stdout] 1769 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1770 |     where
[INFO] [stdout] 1771 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `DSN: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:383:14
[INFO] [stdout]      |
[INFO] [stdout]  383 |         dsn: DSN,
[INFO] [stdout]      |              ^^^ unsatisfied trait bound
[INFO] [stdout]      |
[INFO] [stdout] help: the trait `Deserialize<'_>` is not implemented for `DSN`
[INFO] [stdout]     --> src/lib.rs:7:1
[INFO] [stdout]      |
[INFO] [stdout]    7 | pub struct DSN {
[INFO] [stdout]      | ^^^^^^^^^^^^^^
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `DSN` 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 `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 143 others
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/de/mod.rs:1916:12
[INFO] [stdout]      |
[INFO] [stdout] 1914 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1915 |     where
[INFO] [stdout] 1916 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `DSN: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:381:14
[INFO] [stdout]     |
[INFO] [stdout] 381 |     #[derive(serde::Deserialize, serde::Serialize)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Deserialize<'_>` is not implemented for `DSN`
[INFO] [stdout]    --> src/lib.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | pub struct DSN {
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `DSN` 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 `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 143 others
[INFO] [stdout] note: required by a bound in `tests::_::_serde::__private228::de::missing_field`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.228/src/private/de.rs:26:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]     |        ------------- required by a bound in this function
[INFO] [stdout]  25 | where
[INFO] [stdout]  26 |     V: Deserialize<'de>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]     = note: this error originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `DSN: serde::Serialize` is not satisfied
[INFO] [stdout]     --> src/lib.rs:381:34
[INFO] [stdout]      |
[INFO] [stdout]  381 |     #[derive(serde::Deserialize, serde::Serialize)]
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]  382 |     struct A {
[INFO] [stdout]  383 |         dsn: DSN,
[INFO] [stdout]      |         -------- required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout] help: the trait `Serialize` is not implemented for `DSN`
[INFO] [stdout]     --> src/lib.rs:7:1
[INFO] [stdout]      |
[INFO] [stdout]    7 | pub struct DSN {
[INFO] [stdout]      | ^^^^^^^^^^^^^^
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `DSN` 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 `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 130 others
[INFO] [stdout] note: required by a bound in `tests::_::_serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:1917:21
[INFO] [stdout]      |
[INFO] [stdout] 1915 |     fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error>
[INFO] [stdout]      |        --------------- required by a bound in this associated function
[INFO] [stdout] 1916 |     where
[INFO] [stdout] 1917 |         T: ?Sized + Serialize;
[INFO] [stdout]      |                     ^^^^^^^^^ required by this bound in `SerializeStruct::serialize_field`
[INFO] [stdout]      = note: this error originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `udsn` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6e84ee5de8276109258d5688671a977707e8dd8df3fd7ed9825079876234530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e84ee5de8276109258d5688671a977707e8dd8df3fd7ed9825079876234530", kill_on_drop: false }`
[INFO] [stdout] b6e84ee5de8276109258d5688671a977707e8dd8df3fd7ed9825079876234530
