[INFO] fetching crate json_str 0.5.2...
[INFO] checking json_str-0.5.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate json_str 0.5.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate json_str 0.5.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_str 0.5.2
[INFO] finished tweaking crates.io crate json_str 0.5.2
[INFO] tweaked toml for crates.io crate json_str 0.5.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `json_str` library target)
[INFO] [stderr] warning: support for rustc plugins has been removed from rustc. library `json_str` should not specify `plugin = true`
[INFO] [stderr] warning: support for `plugin = true` will be removed from cargo in the future
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 132e24465c7d7790def4eca813cb6e73f046d8507b4eb8dceedbd8c2fde72472
[INFO] running `Command { std: "docker" "start" "-a" "132e24465c7d7790def4eca813cb6e73f046d8507b4eb8dceedbd8c2fde72472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "132e24465c7d7790def4eca813cb6e73f046d8507b4eb8dceedbd8c2fde72472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132e24465c7d7790def4eca813cb6e73f046d8507b4eb8dceedbd8c2fde72472", kill_on_drop: false }`
[INFO] [stdout] 132e24465c7d7790def4eca813cb6e73f046d8507b4eb8dceedbd8c2fde72472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ba90c543b933a53183cb8c882c596c8d827532d47c5ca5cfc5b56f3cd1ca513
[INFO] running `Command { std: "docker" "start" "-a" "3ba90c543b933a53183cb8c882c596c8d827532d47c5ca5cfc5b56f3cd1ca513", kill_on_drop: false }`
[INFO] [stderr] warning: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `json_str` library target)
[INFO] [stderr] warning: support for rustc plugins has been removed from rustc. library `json_str` should not specify `plugin = true`
[INFO] [stderr] warning: support for `plugin = true` will be removed from cargo in the future
[INFO] [stderr]    Compiling json_str v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> benches/mod.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, plugin, custom_derive)]
[INFO] [stdout]   |                  ^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> benches/mod.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, plugin, custom_derive)]
[INFO] [stdout]   |                          ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `#[proc_macro_derive]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_str` (bench "mod") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3ba90c543b933a53183cb8c882c596c8d827532d47c5ca5cfc5b56f3cd1ca513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba90c543b933a53183cb8c882c596c8d827532d47c5ca5cfc5b56f3cd1ca513", kill_on_drop: false }`
[INFO] [stdout] 3ba90c543b933a53183cb8c882c596c8d827532d47c5ca5cfc5b56f3cd1ca513