[INFO] cloning repository https://github.com/tschuett/tiny-vmm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tschuett/tiny-vmm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftschuett%2Ftiny-vmm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftschuett%2Ftiny-vmm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e39a97648ea7709f0ca8240d8f009d456df4db50
[INFO] checking tschuett/tiny-vmm against try#ebb118907fa893a392c699ddf120848fa0a8d6c2 for pr-116930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftschuett%2Ftiny-vmm" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tschuett/tiny-vmm on toolchain ebb118907fa893a392c699ddf120848fa0a8d6c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tschuett/tiny-vmm
[INFO] finished tweaking git repo https://github.com/tschuett/tiny-vmm
[INFO] tweaked toml for git repo https://github.com/tschuett/tiny-vmm written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tschuett/tiny-vmm 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" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af6f2810e7239e1e30b39d06ca75f8c35dadc50b57f0f8aa226c25273d405efb
[INFO] running `Command { std: "docker" "start" "-a" "af6f2810e7239e1e30b39d06ca75f8c35dadc50b57f0f8aa226c25273d405efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af6f2810e7239e1e30b39d06ca75f8c35dadc50b57f0f8aa226c25273d405efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6f2810e7239e1e30b39d06ca75f8c35dadc50b57f0f8aa226c25273d405efb", kill_on_drop: false }`
[INFO] [stdout] af6f2810e7239e1e30b39d06ca75f8c35dadc50b57f0f8aa226c25273d405efb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 902877c3701bbf92815499ba5ca099d7d137729254df4571cda96ba158b4392e
[INFO] running `Command { std: "docker" "start" "-a" "902877c3701bbf92815499ba5ca099d7d137729254df4571cda96ba158b4392e", kill_on_drop: false }`
[INFO] [stderr]    Compiling kvm-ioctls v0.11.0
[INFO] [stderr]     Checking vmm-sys-util v0.10.0
[INFO] [stderr]     Checking vm-memory v0.9.0
[INFO] [stderr]     Checking kvm-bindings v0.5.0
[INFO] [stderr]     Checking tiny-vmm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0453]: warn(future_incompatible) incompatible with previous forbid
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     future_incompatible,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]   |
[INFO] [stdout]   = note: `forbid` lint level is the default for pointer_structural_match
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: warn(future_incompatible) incompatible with previous forbid
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     future_incompatible,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]   |
[INFO] [stdout]   = note: `forbid` lint level is the default for pointer_structural_match
[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 E0453`.
[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 E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiny-vmm` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tiny-vmm` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "902877c3701bbf92815499ba5ca099d7d137729254df4571cda96ba158b4392e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902877c3701bbf92815499ba5ca099d7d137729254df4571cda96ba158b4392e", kill_on_drop: false }`
[INFO] [stdout] 902877c3701bbf92815499ba5ca099d7d137729254df4571cda96ba158b4392e