[INFO] cloning repository https://github.com/saraswatpuneet/encodings_research
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saraswatpuneet/encodings_research" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaraswatpuneet%2Fencodings_research", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaraswatpuneet%2Fencodings_research'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f75228c1a85ce8ffacaeb55515258d83df3022b
[INFO] checking saraswatpuneet/encodings_research against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaraswatpuneet%2Fencodings_research" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/saraswatpuneet/encodings_research
[INFO] finished tweaking git repo https://github.com/saraswatpuneet/encodings_research
[INFO] tweaked toml for git repo https://github.com/saraswatpuneet/encodings_research written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saraswatpuneet/encodings_research on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saraswatpuneet/encodings_research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4f949929393dc4ccfa5dbeb1616d869a4c1a79bbd35a3e5aa1f9159d48375ba
[INFO] running `Command { std: "docker" "start" "-a" "f4f949929393dc4ccfa5dbeb1616d869a4c1a79bbd35a3e5aa1f9159d48375ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f949929393dc4ccfa5dbeb1616d869a4c1a79bbd35a3e5aa1f9159d48375ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f949929393dc4ccfa5dbeb1616d869a4c1a79bbd35a3e5aa1f9159d48375ba", kill_on_drop: false }`
[INFO] [stdout] f4f949929393dc4ccfa5dbeb1616d869a4c1a79bbd35a3e5aa1f9159d48375ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 330e321dfa977ec69ae03e0705d9aa5effd26caf9adc5f99aa0e3731376d26e3
[INFO] running `Command { std: "docker" "start" "-a" "330e321dfa977ec69ae03e0705d9aa5effd26caf9adc5f99aa0e3731376d26e3", kill_on_drop: false }`
[INFO] [stderr]     Checking encodings_research v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/encoding/encoding.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Encoding {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl dyn Encoding {
[INFO] [stdout]    |      +++
[INFO] [stdout] help: you might have intended to implement this trait for a given type
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Encoding for /* Type */ {
[INFO] [stdout]    |               ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `encodings_research` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/encoding/encoding.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Encoding {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl dyn Encoding {
[INFO] [stdout]    |      +++
[INFO] [stdout] help: you might have intended to implement this trait for a given type
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Encoding for /* Type */ {
[INFO] [stdout]    |               ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `encodings_research` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "330e321dfa977ec69ae03e0705d9aa5effd26caf9adc5f99aa0e3731376d26e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "330e321dfa977ec69ae03e0705d9aa5effd26caf9adc5f99aa0e3731376d26e3", kill_on_drop: false }`
[INFO] [stdout] 330e321dfa977ec69ae03e0705d9aa5effd26caf9adc5f99aa0e3731376d26e3