[INFO] fetching crate cursebox 0.2.10...
[INFO] testing cursebox-0.2.10 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate cursebox 0.2.10 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cursebox 0.2.10 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cursebox 0.2.10
[INFO] finished tweaking crates.io crate cursebox 0.2.10
[INFO] tweaked toml for crates.io crate cursebox 0.2.10 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cursebox 0.2.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ptr v0.2.2
[INFO] [stderr]   Downloaded buf v0.2.2
[INFO] [stderr]   Downloaded null-terminated v0.3.14
[INFO] [stderr]   Downloaded utf v0.1.5
[INFO] [stderr]   Downloaded containers v0.9.10
[INFO] [stderr]   Downloaded unix-signal v0.1.3
[INFO] [stderr]   Downloaded util v0.1.2
[INFO] [stderr]   Downloaded unix-tty v0.3.4
[INFO] [stderr]   Downloaded libc-interface v0.1.2
[INFO] [stderr]   Downloaded subslice v0.2.2
[INFO] [stderr]   Downloaded unix v0.6.10
[INFO] [stderr]   Downloaded tempus v0.2.4
[INFO] [stderr]   Downloaded chn v0.1.1
[INFO] [stderr]   Downloaded system-call v0.1.3
[INFO] [stderr]   Downloaded i-o v0.4.7
[INFO] [stderr]   Downloaded flags v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5752f5ba43b8b7242fecb80ff6855605e6f13cf78365221b25b21a32a6b542ca
[INFO] running `Command { std: "docker" "start" "-a" "5752f5ba43b8b7242fecb80ff6855605e6f13cf78365221b25b21a32a6b542ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5752f5ba43b8b7242fecb80ff6855605e6f13cf78365221b25b21a32a6b542ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5752f5ba43b8b7242fecb80ff6855605e6f13cf78365221b25b21a32a6b542ca", kill_on_drop: false }`
[INFO] [stdout] 5752f5ba43b8b7242fecb80ff6855605e6f13cf78365221b25b21a32a6b542ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c41ff4ae7d9f6b986acfcb2448873edd7cc909e896df707235838828e43954b
[INFO] running `Command { std: "docker" "start" "-a" "5c41ff4ae7d9f6b986acfcb2448873edd7cc909e896df707235838828e43954b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ptr v0.2.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling containers v0.9.10
[INFO] [stderr]    Compiling i-o v0.4.7
[INFO] [stderr]    Compiling idem v0.4.0
[INFO] [stderr]    Compiling libc-interface v0.1.2
[INFO] [stderr]    Compiling utf v0.1.5
[INFO] [stderr]    Compiling system-call v0.1.3
[INFO] [stderr]    Compiling flags v0.1.5
[INFO] [stderr]    Compiling chn v0.1.1
[INFO] [stderr]    Compiling util v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling subslice v0.2.2
[INFO] [stderr]    Compiling idem v0.1.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling fallible v0.1.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling null-terminated v0.3.14
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling hash-table v0.2.5
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/null-terminated-0.3.14/src/lib.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![feature(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: 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 `null-terminated`
[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[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.2.2/src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(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: 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" "5c41ff4ae7d9f6b986acfcb2448873edd7cc909e896df707235838828e43954b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c41ff4ae7d9f6b986acfcb2448873edd7cc909e896df707235838828e43954b", kill_on_drop: false }`
[INFO] [stdout] 5c41ff4ae7d9f6b986acfcb2448873edd7cc909e896df707235838828e43954b