[INFO] fetching crate chronofold 0.2.0...
[INFO] checking chronofold-0.2.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate chronofold 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate chronofold 0.2.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chronofold 0.2.0
[INFO] finished tweaking crates.io crate chronofold 0.2.0
[INFO] tweaked toml for crates.io crate chronofold 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e424e7d5fd4c72c0ef673d08c0eedaf24277a58411bddcdcca474e4aeec7c2cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e424e7d5fd4c72c0ef673d08c0eedaf24277a58411bddcdcca474e4aeec7c2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e424e7d5fd4c72c0ef673d08c0eedaf24277a58411bddcdcca474e4aeec7c2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e424e7d5fd4c72c0ef673d08c0eedaf24277a58411bddcdcca474e4aeec7c2cf", kill_on_drop: false }`
[INFO] [stdout] e424e7d5fd4c72c0ef673d08c0eedaf24277a58411bddcdcca474e4aeec7c2cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88d8a34ac56bc753156f0ffa8938065391b80c82aeddac598da17450817e58c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88d8a34ac56bc753156f0ffa8938065391b80c82aeddac598da17450817e58c6", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking chronofold v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking crossbeam-utils v0.8.4
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> benches/dmonad.rs:225:32
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let _ = doc2.apply(op);
[INFO] [stdout]     |                                ^^ expected `char`, found `&char`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Op<_, char>`
[INFO] [stdout]                found struct `Op<_, &char>`
[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]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/ser.rs:2189:17
[INFO] [stdout]      |
[INFO] [stdout] 2189 |     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]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/ser.rs:2189:17
[INFO] [stdout]      |
[INFO] [stdout] 2189 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 --------- required by this bound in `to_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chronofold`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "88d8a34ac56bc753156f0ffa8938065391b80c82aeddac598da17450817e58c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d8a34ac56bc753156f0ffa8938065391b80c82aeddac598da17450817e58c6", kill_on_drop: false }`
[INFO] [stdout] 88d8a34ac56bc753156f0ffa8938065391b80c82aeddac598da17450817e58c6