[INFO] fetching crate chronofold 0.4.0...
[INFO] checking chronofold-0.4.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate chronofold 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate chronofold 0.4.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chronofold 0.4.0
[INFO] finished tweaking crates.io crate chronofold 0.4.0
[INFO] tweaked toml for crates.io crate chronofold 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.14)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.1)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c31ec2a5ef7d6150d8f6acb198d0dc0ed67a62540216c39cabb623f4be6a5dc2
[INFO] running `Command { std: "docker" "start" "-a" "c31ec2a5ef7d6150d8f6acb198d0dc0ed67a62540216c39cabb623f4be6a5dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c31ec2a5ef7d6150d8f6acb198d0dc0ed67a62540216c39cabb623f4be6a5dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31ec2a5ef7d6150d8f6acb198d0dc0ed67a62540216c39cabb623f4be6a5dc2", kill_on_drop: false }`
[INFO] [stdout] c31ec2a5ef7d6150d8f6acb198d0dc0ed67a62540216c39cabb623f4be6a5dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27748bacb0bc3d81054ee3a0bbea1ca1067db9e23ca8f9cce7f1e393dec86d93
[INFO] running `Command { std: "docker" "start" "-a" "27748bacb0bc3d81054ee3a0bbea1ca1067db9e23ca8f9cce7f1e393dec86d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking chronofold v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stdout] warning: unused import: `crate::fmt::*`
[INFO] [stdout]   --> src/lib.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub use crate::fmt::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `crate::fmt::*`
[INFO] [stdout]   --> src/lib.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub use crate::fmt::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Op<u8, &char>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> benches/dmonad.rs:242:51
[INFO] [stdout]      |
[INFO] [stdout] 242  |             total_ops_bytes += serde_json::to_vec(&op).unwrap().len();
[INFO] [stdout]      |                                ------------------ ^^^ the trait `serde::ser::Serialize` is not implemented for `Op<u8, &char>`
[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]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]                (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `to_vec`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.116/src/ser.rs:2177:17
[INFO] [stdout]      |
[INFO] [stdout] 2175 | pub fn to_vec<T>(value: &T) -> Result<Vec<u8>>
[INFO] [stdout]      |        ------ required by a bound in this function
[INFO] [stdout] 2176 | where
[INFO] [stdout] 2177 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Chronofold<u8, char>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> benches/dmonad.rs:246:39
[INFO] [stdout]      |
[INFO] [stdout] 246  |     let doc_size = serde_json::to_vec(&cfold).unwrap().len();
[INFO] [stdout]      |                    ------------------ ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Chronofold<u8, char>`
[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]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]                (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `to_vec`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.116/src/ser.rs:2177:17
[INFO] [stdout]      |
[INFO] [stdout] 2175 | pub fn to_vec<T>(value: &T) -> Result<Vec<u8>>
[INFO] [stdout]      |        ------ required by a bound in this function
[INFO] [stdout] 2176 | where
[INFO] [stdout] 2177 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `chronofold` (bench "dmonad") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27748bacb0bc3d81054ee3a0bbea1ca1067db9e23ca8f9cce7f1e393dec86d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27748bacb0bc3d81054ee3a0bbea1ca1067db9e23ca8f9cce7f1e393dec86d93", kill_on_drop: false }`
[INFO] [stdout] 27748bacb0bc3d81054ee3a0bbea1ca1067db9e23ca8f9cce7f1e393dec86d93
[INFO] checking chronofold-0.4.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate chronofold 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate chronofold 0.4.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chronofold 0.4.0
[INFO] finished tweaking crates.io crate chronofold 0.4.0
[INFO] tweaked toml for crates.io crate chronofold 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.14)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.1)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35c01c90a924640e341d24b13662b155e8c2df389fa7d6a6231fa45d2550549e
[INFO] running `Command { std: "docker" "start" "-a" "35c01c90a924640e341d24b13662b155e8c2df389fa7d6a6231fa45d2550549e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c01c90a924640e341d24b13662b155e8c2df389fa7d6a6231fa45d2550549e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c01c90a924640e341d24b13662b155e8c2df389fa7d6a6231fa45d2550549e", kill_on_drop: false }`
[INFO] [stdout] 35c01c90a924640e341d24b13662b155e8c2df389fa7d6a6231fa45d2550549e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5c646e54190e42acecec9ee85f427b8eae3fece61cd0c4892c751d121adf8fd
[INFO] running `Command { std: "docker" "start" "-a" "d5c646e54190e42acecec9ee85f427b8eae3fece61cd0c4892c751d121adf8fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking chronofold v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stdout] warning: unused import: `crate::fmt::*`
[INFO] [stdout]   --> src/lib.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub use crate::fmt::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `crate::fmt::*`
[INFO] [stdout]   --> src/lib.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub use crate::fmt::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Op<u8, &char>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> benches/dmonad.rs:242:51
[INFO] [stdout]      |
[INFO] [stdout] 242  |             total_ops_bytes += serde_json::to_vec(&op).unwrap().len();
[INFO] [stdout]      |                                ------------------ ^^^ the trait `serde::ser::Serialize` is not implemented for `Op<u8, &char>`
[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]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]                (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `to_vec`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.116/src/ser.rs:2177:17
[INFO] [stdout]      |
[INFO] [stdout] 2175 | pub fn to_vec<T>(value: &T) -> Result<Vec<u8>>
[INFO] [stdout]      |        ------ required by a bound in this function
[INFO] [stdout] 2176 | where
[INFO] [stdout] 2177 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Chronofold<u8, char>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> benches/dmonad.rs:246:39
[INFO] [stdout]      |
[INFO] [stdout] 246  |     let doc_size = serde_json::to_vec(&cfold).unwrap().len();
[INFO] [stdout]      |                    ------------------ ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Chronofold<u8, char>`
[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]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]                (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `to_vec`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.116/src/ser.rs:2177:17
[INFO] [stdout]      |
[INFO] [stdout] 2175 | pub fn to_vec<T>(value: &T) -> Result<Vec<u8>>
[INFO] [stdout]      |        ------ required by a bound in this function
[INFO] [stdout] 2176 | where
[INFO] [stdout] 2177 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `chronofold` (bench "dmonad") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5c646e54190e42acecec9ee85f427b8eae3fece61cd0c4892c751d121adf8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c646e54190e42acecec9ee85f427b8eae3fece61cd0c4892c751d121adf8fd", kill_on_drop: false }`
[INFO] [stdout] d5c646e54190e42acecec9ee85f427b8eae3fece61cd0c4892c751d121adf8fd
