[INFO] fetching crate chronofold 0.4.0...
[INFO] checking chronofold-0.4.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate chronofold 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate chronofold 0.4.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d9c3adbb8b8cfb1cbe05291fe453500bdce3f213dd1b905e837bc6db2a77057
[INFO] running `Command { std: "docker" "start" "-a" "3d9c3adbb8b8cfb1cbe05291fe453500bdce3f213dd1b905e837bc6db2a77057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d9c3adbb8b8cfb1cbe05291fe453500bdce3f213dd1b905e837bc6db2a77057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9c3adbb8b8cfb1cbe05291fe453500bdce3f213dd1b905e837bc6db2a77057", kill_on_drop: false }`
[INFO] [stdout] 3d9c3adbb8b8cfb1cbe05291fe453500bdce3f213dd1b905e837bc6db2a77057
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21df8ccdb9cc1965fd3919eaecf5ab34d905199b69b1271425838364ce90528
[INFO] running `Command { std: "docker" "start" "-a" "f21df8ccdb9cc1965fd3919eaecf5ab34d905199b69b1271425838364ce90528", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]     Checking chronofold v0.4.0 (/opt/rustwide/workdir)
[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]    Compiling serde_derive v1.0.163
[INFO] [stderr]     Checking criterion v0.3.6
[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 142 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-1.0.96/src/ser.rs:2113:17
[INFO] [stdout]      |
[INFO] [stdout] 2111 | pub fn to_vec<T>(value: &T) -> Result<Vec<u8>>
[INFO] [stdout]      |        ------ required by a bound in this function
[INFO] [stdout] 2112 | where
[INFO] [stdout] 2113 |     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 142 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-1.0.96/src/ser.rs:2113:17
[INFO] [stdout]      |
[INFO] [stdout] 2111 | pub fn to_vec<T>(value: &T) -> Result<Vec<u8>>
[INFO] [stdout]      |        ------ required by a bound in this function
[INFO] [stdout] 2112 | where
[INFO] [stdout] 2113 |     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] running `Command { std: "docker" "inspect" "f21df8ccdb9cc1965fd3919eaecf5ab34d905199b69b1271425838364ce90528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21df8ccdb9cc1965fd3919eaecf5ab34d905199b69b1271425838364ce90528", kill_on_drop: false }`
[INFO] [stdout] f21df8ccdb9cc1965fd3919eaecf5ab34d905199b69b1271425838364ce90528
