[INFO] cloning repository https://github.com/theduke/wasm-debug-instantiate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theduke/wasm-debug-instantiate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheduke%2Fwasm-debug-instantiate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheduke%2Fwasm-debug-instantiate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ddbd39084c5eb36b6bc9f88ddb56532888c3d7b
[INFO] checking theduke/wasm-debug-instantiate against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheduke%2Fwasm-debug-instantiate" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theduke/wasm-debug-instantiate on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theduke/wasm-debug-instantiate
[INFO] finished tweaking git repo https://github.com/theduke/wasm-debug-instantiate
[INFO] tweaked toml for git repo https://github.com/theduke/wasm-debug-instantiate written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/theduke/wasm-debug-instantiate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da67b7803b9780cf76ce10a4731ddb5c5bfa1fa11e8f6c6bbe40ac259d08b6cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da67b7803b9780cf76ce10a4731ddb5c5bfa1fa11e8f6c6bbe40ac259d08b6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da67b7803b9780cf76ce10a4731ddb5c5bfa1fa11e8f6c6bbe40ac259d08b6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da67b7803b9780cf76ce10a4731ddb5c5bfa1fa11e8f6c6bbe40ac259d08b6cb", kill_on_drop: false }`
[INFO] [stdout] da67b7803b9780cf76ce10a4731ddb5c5bfa1fa11e8f6c6bbe40ac259d08b6cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6dcf9f0c367f676dbd155b8a7a00bb3733924f509645735b8b0d03113b8e0f16
[INFO] running `Command { std: "docker" "start" "-a" "6dcf9f0c367f676dbd155b8a7a00bb3733924f509645735b8b0d03113b8e0f16", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.31
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling wasm-bindgen v0.2.31
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling syn v0.15.25
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.31
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.31
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.31
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.25
[INFO] [stderr]     Checking js-sys v0.3.8
[INFO] [stderr]    Compiling web-sys v0.3.8
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.8
[INFO] [stderr]     Checking wasm_crash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm_crash`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6dcf9f0c367f676dbd155b8a7a00bb3733924f509645735b8b0d03113b8e0f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcf9f0c367f676dbd155b8a7a00bb3733924f509645735b8b0d03113b8e0f16", kill_on_drop: false }`
[INFO] [stdout] 6dcf9f0c367f676dbd155b8a7a00bb3733924f509645735b8b0d03113b8e0f16