[INFO] fetching crate prefixopt_derive 0.4.0...
[INFO] checking prefixopt_derive-0.4.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate prefixopt_derive 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate prefixopt_derive 0.4.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prefixopt_derive 0.4.0
[INFO] finished tweaking crates.io crate prefixopt_derive 0.4.0
[INFO] tweaked toml for crates.io crate prefixopt_derive 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prefixopt v0.4.0
[INFO] [stderr]   Downloaded scopeguard v0.2.0
[INFO] [stderr]   Downloaded map_in_place v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f45fe9b69a3bef8a3f4d6425a6757309d269c69f0a9b62058964f0801e59d41
[INFO] running `Command { std: "docker" "start" "-a" "4f45fe9b69a3bef8a3f4d6425a6757309d269c69f0a9b62058964f0801e59d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f45fe9b69a3bef8a3f4d6425a6757309d269c69f0a9b62058964f0801e59d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f45fe9b69a3bef8a3f4d6425a6757309d269c69f0a9b62058964f0801e59d41", kill_on_drop: false }`
[INFO] [stdout] 4f45fe9b69a3bef8a3f4d6425a6757309d269c69f0a9b62058964f0801e59d41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1702ab8fd0711463d61a113b4c23a6051110ffc7acbc88d8856241d5aa5559f4
[INFO] running `Command { std: "docker" "start" "-a" "1702ab8fd0711463d61a113b4c23a6051110ffc7acbc88d8856241d5aa5559f4", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking scopeguard v0.2.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking map_in_place v0.1.0
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking prefixopt v0.4.0
[INFO] [stderr]     Checking prefixopt_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/enum_data.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|id| id as &::std::fmt::Display)
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|id| id as &dyn (::std::fmt::Display))
[INFO] [stdout]    |                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/enum_data.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|id| id as &::std::fmt::Display)
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|id| id as &dyn (::std::fmt::Display))
[INFO] [stdout]    |                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/enum_data.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|id| id as &::std::fmt::Display)
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|id| id as &dyn (::std::fmt::Display))
[INFO] [stdout]    |                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "1702ab8fd0711463d61a113b4c23a6051110ffc7acbc88d8856241d5aa5559f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1702ab8fd0711463d61a113b4c23a6051110ffc7acbc88d8856241d5aa5559f4", kill_on_drop: false }`
[INFO] [stdout] 1702ab8fd0711463d61a113b4c23a6051110ffc7acbc88d8856241d5aa5559f4
