[INFO] fetching crate disco-quick 0.1.1...
[INFO] checking disco-quick-0.1.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate disco-quick 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate disco-quick 0.1.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disco-quick 0.1.1
[INFO] finished tweaking crates.io crate disco-quick 0.1.1
[INFO] tweaked toml for crates.io crate disco-quick 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate disco-quick 0.1.1 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65dfa33174528cd7d36bc5269e45e5ea63a63e90130142eb47e4c6e31e0d6bc1
[INFO] running `Command { std: "docker" "start" "-a" "65dfa33174528cd7d36bc5269e45e5ea63a63e90130142eb47e4c6e31e0d6bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65dfa33174528cd7d36bc5269e45e5ea63a63e90130142eb47e4c6e31e0d6bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65dfa33174528cd7d36bc5269e45e5ea63a63e90130142eb47e4c6e31e0d6bc1", kill_on_drop: false }`
[INFO] [stdout] 65dfa33174528cd7d36bc5269e45e5ea63a63e90130142eb47e4c6e31e0d6bc1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f15d7bb1b78c9a6560b7bf2a2f7bb3d0f3af5be288cec23cd1b7fb9d0dd238a
[INFO] running `Command { std: "docker" "start" "-a" "0f15d7bb1b78c9a6560b7bf2a2f7bb3d0f3af5be288cec23cd1b7fb9d0dd238a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking disco-quick v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Artist: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/print_json.rs:28:41
[INFO] [stdout]      |
[INFO] [stdout] 28   |         println!("{}", to_string_pretty(&artist).unwrap());
[INFO] [stdout]      |                        ---------------- ^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Artist`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.107/src/ser.rs:2228:17
[INFO] [stdout]      |
[INFO] [stdout] 2226 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2227 | where
[INFO] [stdout] 2228 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Label: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/print_json.rs:34:41
[INFO] [stdout]      |
[INFO] [stdout] 34   |         println!("{}", to_string_pretty(&label).unwrap());
[INFO] [stdout]      |                        ---------------- ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Label`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.107/src/ser.rs:2228:17
[INFO] [stdout]      |
[INFO] [stdout] 2226 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2227 | where
[INFO] [stdout] 2228 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Master: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/print_json.rs:41:45
[INFO] [stdout]      |
[INFO] [stdout] 41   |             println!("{}", to_string_pretty(&master).unwrap());
[INFO] [stdout]      |                            ---------------- ^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Master`
[INFO] [stdout]      |                            |
[INFO] [stdout]      |                            required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.107/src/ser.rs:2228:17
[INFO] [stdout]      |
[INFO] [stdout] 2226 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2227 | where
[INFO] [stdout] 2228 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `disco_quick::release::Release: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/print_json.rs:48:41
[INFO] [stdout]      |
[INFO] [stdout] 48   |         println!("{}", to_string_pretty(&release).unwrap());
[INFO] [stdout]      |                        ---------------- ^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `disco_quick::release::Release`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.107/src/ser.rs:2228:17
[INFO] [stdout]      |
[INFO] [stdout] 2226 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2227 | where
[INFO] [stdout] 2228 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `disco-quick` (example "print_json") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f15d7bb1b78c9a6560b7bf2a2f7bb3d0f3af5be288cec23cd1b7fb9d0dd238a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f15d7bb1b78c9a6560b7bf2a2f7bb3d0f3af5be288cec23cd1b7fb9d0dd238a", kill_on_drop: false }`
[INFO] [stdout] 0f15d7bb1b78c9a6560b7bf2a2f7bb3d0f3af5be288cec23cd1b7fb9d0dd238a
[INFO] checking disco-quick-0.1.1 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate disco-quick 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate disco-quick 0.1.1 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disco-quick 0.1.1
[INFO] finished tweaking crates.io crate disco-quick 0.1.1
[INFO] tweaked toml for crates.io crate disco-quick 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate disco-quick 0.1.1 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d2d41ecbb58eaae4db88d1d68678efe61259859220ad31296ea7c732ca21763
[INFO] running `Command { std: "docker" "start" "-a" "9d2d41ecbb58eaae4db88d1d68678efe61259859220ad31296ea7c732ca21763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d2d41ecbb58eaae4db88d1d68678efe61259859220ad31296ea7c732ca21763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2d41ecbb58eaae4db88d1d68678efe61259859220ad31296ea7c732ca21763", kill_on_drop: false }`
[INFO] [stdout] 9d2d41ecbb58eaae4db88d1d68678efe61259859220ad31296ea7c732ca21763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60e78d954d45d75382113c8e6ee57195bf22130b22c97507e41494b584901cd3
[INFO] running `Command { std: "docker" "start" "-a" "60e78d954d45d75382113c8e6ee57195bf22130b22c97507e41494b584901cd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking disco-quick v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Artist: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/print_json.rs:28:41
[INFO] [stdout]      |
[INFO] [stdout] 28   |         println!("{}", to_string_pretty(&artist).unwrap());
[INFO] [stdout]      |                        ---------------- ^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Artist`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.107/src/ser.rs:2228:17
[INFO] [stdout]      |
[INFO] [stdout] 2226 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2227 | where
[INFO] [stdout] 2228 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Label: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/print_json.rs:34:41
[INFO] [stdout]      |
[INFO] [stdout] 34   |         println!("{}", to_string_pretty(&label).unwrap());
[INFO] [stdout]      |                        ---------------- ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Label`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.107/src/ser.rs:2228:17
[INFO] [stdout]      |
[INFO] [stdout] 2226 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2227 | where
[INFO] [stdout] 2228 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Master: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/print_json.rs:41:45
[INFO] [stdout]      |
[INFO] [stdout] 41   |             println!("{}", to_string_pretty(&master).unwrap());
[INFO] [stdout]      |                            ---------------- ^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Master`
[INFO] [stdout]      |                            |
[INFO] [stdout]      |                            required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.107/src/ser.rs:2228:17
[INFO] [stdout]      |
[INFO] [stdout] 2226 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2227 | where
[INFO] [stdout] 2228 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `disco_quick::release::Release: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/print_json.rs:48:41
[INFO] [stdout]      |
[INFO] [stdout] 48   |         println!("{}", to_string_pretty(&release).unwrap());
[INFO] [stdout]      |                        ---------------- ^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `disco_quick::release::Release`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                bool
[INFO] [stdout]                char
[INFO] [stdout]                isize
[INFO] [stdout]                i8
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i128
[INFO] [stdout]              and 130 others
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.107/src/ser.rs:2228:17
[INFO] [stdout]      |
[INFO] [stdout] 2226 | pub fn to_string_pretty<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ---------------- required by a bound in this function
[INFO] [stdout] 2227 | where
[INFO] [stdout] 2228 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `disco-quick` (example "print_json") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "60e78d954d45d75382113c8e6ee57195bf22130b22c97507e41494b584901cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e78d954d45d75382113c8e6ee57195bf22130b22c97507e41494b584901cd3", kill_on_drop: false }`
[INFO] [stdout] 60e78d954d45d75382113c8e6ee57195bf22130b22c97507e41494b584901cd3
