[INFO] fetching crate non0 0.1.0...
[INFO] checking non0-0.1.0 against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] extracting crate non0 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate non0 0.1.0
[INFO] finished tweaking crates.io crate non0 0.1.0
[INFO] tweaked toml for crates.io crate non0 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate non0 0.1.0 on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding zerocopy v0.7.35 (available: v0.8.31)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f427ac39c8044e491f33d40856ee7603e0b2b5f2efc6f9dc660bc3a12d490d96
[INFO] running `Command { std: "docker" "start" "-a" "f427ac39c8044e491f33d40856ee7603e0b2b5f2efc6f9dc660bc3a12d490d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f427ac39c8044e491f33d40856ee7603e0b2b5f2efc6f9dc660bc3a12d490d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f427ac39c8044e491f33d40856ee7603e0b2b5f2efc6f9dc660bc3a12d490d96", kill_on_drop: false }`
[INFO] [stdout] f427ac39c8044e491f33d40856ee7603e0b2b5f2efc6f9dc660bc3a12d490d96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 682e99f17ff12492f8a71ab614a701ad252a88f949af68fd5a4578b7d6cf16c2
[INFO] running `Command { std: "docker" "start" "-a" "682e99f17ff12492f8a71ab614a701ad252a88f949af68fd5a4578b7d6cf16c2", kill_on_drop: false }`
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking non0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0446]: private trait `ConstDefaultRef` in public interface
[INFO] [stdout]    --> src/lib.rs:38:5
[INFO] [stdout]     |
[INFO] [stdout]  38 |     type Primitive: ConstDefaultRef + AsBytes;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] ...
[INFO] [stdout] 114 | trait ConstDefaultRef: 'static {
[INFO] [stdout]     | ------------------------------ `ConstDefaultRef` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `non0` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0446]: private trait `ConstDefaultRef` in public interface
[INFO] [stdout]    --> src/lib.rs:38:5
[INFO] [stdout]     |
[INFO] [stdout]  38 |     type Primitive: ConstDefaultRef + AsBytes;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] ...
[INFO] [stdout] 114 | trait ConstDefaultRef: 'static {
[INFO] [stdout]     | ------------------------------ `ConstDefaultRef` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `non0` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "682e99f17ff12492f8a71ab614a701ad252a88f949af68fd5a4578b7d6cf16c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682e99f17ff12492f8a71ab614a701ad252a88f949af68fd5a4578b7d6cf16c2", kill_on_drop: false }`
[INFO] [stdout] 682e99f17ff12492f8a71ab614a701ad252a88f949af68fd5a4578b7d6cf16c2