[INFO] cloning repository https://github.com/pirogoeth/unix-named-pipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pirogoeth/unix-named-pipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78bd325c82d13451027bc0b5c686f972358b8e9a
[INFO] checking pirogoeth/unix-named-pipe against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pirogoeth/unix-named-pipe 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/pirogoeth/unix-named-pipe
[INFO] finished tweaking git repo https://github.com/pirogoeth/unix-named-pipe
[INFO] tweaked toml for git repo https://github.com/pirogoeth/unix-named-pipe written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pirogoeth/unix-named-pipe 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded ctrlc v3.1.1
[INFO] [stderr]   Downloaded syn v0.15.11
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded mini-internal v0.1.8
[INFO] [stderr]   Downloaded miniserde v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a624eef3cf0e8f187586e8b24afa7e62a32489176422bdf206029318a042dbc7
[INFO] running `Command { std: "docker" "start" "-a" "a624eef3cf0e8f187586e8b24afa7e62a32489176422bdf206029318a042dbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a624eef3cf0e8f187586e8b24afa7e62a32489176422bdf206029318a042dbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a624eef3cf0e8f187586e8b24afa7e62a32489176422bdf206029318a042dbc7", kill_on_drop: false }`
[INFO] [stdout] a624eef3cf0e8f187586e8b24afa7e62a32489176422bdf206029318a042dbc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a63fe217df0a2b1d58ee4071e8a31c16beea139ffdf73e57d1b531d6949859e4
[INFO] running `Command { std: "docker" "start" "-a" "a63fe217df0a2b1d58ee4071e8a31c16beea139ffdf73e57d1b531d6949859e4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking unix-named-pipe v0.2.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.11
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]    Compiling mini-internal v0.1.8
[INFO] [stderr]     Checking miniserde v0.1.8
[INFO] [stderr]    Migrating examples/varsz_client.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/fixsz_client.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/varsz_server.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/fixsz_server.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed examples/varsz_server.rs (1 fix)
[INFO] [stderr]        Fixed examples/fixsz_server.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.40s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unix-named-pipe v0.2.0 (/tmp/fixit)
[INFO] [stdout] error[E0783]: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/varsz_server.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, MiniDeserialize)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: <dyn MiniDeserialize>: `use `dyn``
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `MiniDeserialize` (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 `unix-named-pipe` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[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" "a63fe217df0a2b1d58ee4071e8a31c16beea139ffdf73e57d1b531d6949859e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63fe217df0a2b1d58ee4071e8a31c16beea139ffdf73e57d1b531d6949859e4", kill_on_drop: false }`
[INFO] [stdout] a63fe217df0a2b1d58ee4071e8a31c16beea139ffdf73e57d1b531d6949859e4