[INFO] fetching crate flatrv-interp 0.1.0...
[INFO] checking flatrv-interp-0.1.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate flatrv-interp 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate flatrv-interp 0.1.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatrv-interp 0.1.0
[INFO] finished tweaking crates.io crate flatrv-interp 0.1.0
[INFO] tweaked toml for crates.io crate flatrv-interp 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate flatrv-interp 0.1.0 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded goblin v0.1.3
[INFO] [stderr]   Downloaded flatrv v0.1.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72fb0ddb2d0ec921e762515ae878d9d122ce0446f78366048c9c77ac6eee27a2
[INFO] running `Command { std: "docker" "start" "-a" "72fb0ddb2d0ec921e762515ae878d9d122ce0446f78366048c9c77ac6eee27a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72fb0ddb2d0ec921e762515ae878d9d122ce0446f78366048c9c77ac6eee27a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fb0ddb2d0ec921e762515ae878d9d122ce0446f78366048c9c77ac6eee27a2", kill_on_drop: false }`
[INFO] [stdout] 72fb0ddb2d0ec921e762515ae878d9d122ce0446f78366048c9c77ac6eee27a2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3949aa11f3385c7b3dddb3e914a19e42a4ce626bc0f9087a154908cec8038165
[INFO] running `Command { std: "docker" "start" "-a" "3949aa11f3385c7b3dddb3e914a19e42a4ce626bc0f9087a154908cec8038165", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]     Checking flatrv v0.1.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flatrv-0.1.0/src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, const_fn)]
[INFO] [stdout]   |                             ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: flatrv depends on release mode for correctness
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flatrv-0.1.0/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     compile_error!("flatrv depends on release mode for correctness");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `flatrv` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3949aa11f3385c7b3dddb3e914a19e42a4ce626bc0f9087a154908cec8038165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3949aa11f3385c7b3dddb3e914a19e42a4ce626bc0f9087a154908cec8038165", kill_on_drop: false }`
[INFO] [stdout] 3949aa11f3385c7b3dddb3e914a19e42a4ce626bc0f9087a154908cec8038165
[INFO] checking flatrv-interp-0.1.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate flatrv-interp 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate flatrv-interp 0.1.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatrv-interp 0.1.0
[INFO] finished tweaking crates.io crate flatrv-interp 0.1.0
[INFO] tweaked toml for crates.io crate flatrv-interp 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate flatrv-interp 0.1.0 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00f56747d8f60559cb8807dfe25e1a5dee893aaabb2ed935389a4f93dc7bea50
[INFO] running `Command { std: "docker" "start" "-a" "00f56747d8f60559cb8807dfe25e1a5dee893aaabb2ed935389a4f93dc7bea50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00f56747d8f60559cb8807dfe25e1a5dee893aaabb2ed935389a4f93dc7bea50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f56747d8f60559cb8807dfe25e1a5dee893aaabb2ed935389a4f93dc7bea50", kill_on_drop: false }`
[INFO] [stdout] 00f56747d8f60559cb8807dfe25e1a5dee893aaabb2ed935389a4f93dc7bea50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e06975454d9aa8f37ec6c72c07c365565f7973e759f8b08b8d50bb5bc2eac2ec
[INFO] running `Command { std: "docker" "start" "-a" "e06975454d9aa8f37ec6c72c07c365565f7973e759f8b08b8d50bb5bc2eac2ec", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "e06975454d9aa8f37ec6c72c07c365565f7973e759f8b08b8d50bb5bc2eac2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06975454d9aa8f37ec6c72c07c365565f7973e759f8b08b8d50bb5bc2eac2ec", kill_on_drop: false }`
[INFO] [stdout] e06975454d9aa8f37ec6c72c07c365565f7973e759f8b08b8d50bb5bc2eac2ec