[INFO] cloning repository https://github.com/etwyniel/miniserde-from-value
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etwyniel/miniserde-from-value" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetwyniel%2Fminiserde-from-value", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetwyniel%2Fminiserde-from-value'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4bbcb62e0a26959685439117ee668622b50a401
[INFO] checking etwyniel/miniserde-from-value against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetwyniel%2Fminiserde-from-value" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/etwyniel/miniserde-from-value on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/etwyniel/miniserde-from-value
[INFO] finished tweaking git repo https://github.com/etwyniel/miniserde-from-value
[INFO] tweaked toml for git repo https://github.com/etwyniel/miniserde-from-value written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/etwyniel/miniserde-from-value already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded mini-internal v0.1.12
[INFO] [stderr]   Downloaded miniserde v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fc341a6621218d2f2f205cacde4b0fd36d441a3723898c5e4c050330599cf2e
[INFO] running `Command { std: "docker" "start" "-a" "7fc341a6621218d2f2f205cacde4b0fd36d441a3723898c5e4c050330599cf2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fc341a6621218d2f2f205cacde4b0fd36d441a3723898c5e4c050330599cf2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc341a6621218d2f2f205cacde4b0fd36d441a3723898c5e4c050330599cf2e", kill_on_drop: false }`
[INFO] [stdout] 7fc341a6621218d2f2f205cacde4b0fd36d441a3723898c5e4c050330599cf2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 201015da513e75d21589d6ab64ff7643629a71756e6107cc7cf8eacd5f07332c
[INFO] running `Command { std: "docker" "start" "-a" "201015da513e75d21589d6ab64ff7643629a71756e6107cc7cf8eacd5f07332c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling mini-internal v0.1.12
[INFO] [stderr]     Checking miniserde v0.1.12
[INFO] [stderr]     Checking miniserde-from-value v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.60s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking miniserde-from-value v0.1.0 (/tmp/fixit)
[INFO] [stdout] error[E0783]: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:67:14
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[derive(Deserialize, Debug, PartialEq)]
[INFO] [stdout]    |              ^^^^^^^^^^^ help: <dyn Deserialize>: `use `dyn``
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0783`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniserde-from-value` due to 2 previous errors
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "201015da513e75d21589d6ab64ff7643629a71756e6107cc7cf8eacd5f07332c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201015da513e75d21589d6ab64ff7643629a71756e6107cc7cf8eacd5f07332c", kill_on_drop: false }`
[INFO] [stdout] 201015da513e75d21589d6ab64ff7643629a71756e6107cc7cf8eacd5f07332c