[INFO] fetching crate arbitrary-int 2.1.1...
[INFO] checking arbitrary-int-2.1.1 against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] extracting crate arbitrary-int 2.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate arbitrary-int 2.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arbitrary-int 2.1.1
[INFO] tweaked toml for crates.io crate arbitrary-int 2.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arbitrary-int 2.1.1 on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arbitrary-int 2.1.1 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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27655cee3a43344056fa439bbadecc733be1eba3f8cd5dfbc13c30be01f2d191
[INFO] running `Command { std: "docker" "start" "-a" "27655cee3a43344056fa439bbadecc733be1eba3f8cd5dfbc13c30be01f2d191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27655cee3a43344056fa439bbadecc733be1eba3f8cd5dfbc13c30be01f2d191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27655cee3a43344056fa439bbadecc733be1eba3f8cd5dfbc13c30be01f2d191", kill_on_drop: false }`
[INFO] [stdout] 27655cee3a43344056fa439bbadecc733be1eba3f8cd5dfbc13c30be01f2d191
[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=forbid -Zstrict-projection-item-bounds" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95df2493b5e45204f19a2ceb9ff50cfe26a3fa55a9146aac3af935f65fc6be88
[INFO] running `Command { std: "docker" "start" "-a" "95df2493b5e45204f19a2ceb9ff50cfe26a3fa55a9146aac3af935f65fc6be88", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking arbitrary-int v2.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `<T as Number>::UnderlyingType: BuiltinInteger` is not satisfied
[INFO] [stdout]   --> src/v1_number_compat.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn from_<T: Number>(value: T) -> Self {
[INFO] [stdout]    |                 ^^^^^^ the trait `BuiltinInteger` is not implemented for `<T as Number>::UnderlyingType`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Number`
[INFO] [stdout]   --> src/traits.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |         + BuiltinInteger
[INFO] [stdout]    |           ^^^^^^^^^^^^^^ required by this bound in `Number`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/v1_number_compat.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Number: UnsignedInteger<UnderlyingType = <Self as Number>::UnderlyingType> {
[INFO] [stdout]    |           ------ required by a bound in this trait
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn from_<T: Number>(value: T) -> Self where <T as Number>::UnderlyingType: BuiltinInteger {
[INFO] [stdout]    |                                           +++++++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `<T as Number>::UnderlyingType: BuiltinInteger` is not satisfied
[INFO] [stdout]   --> src/v1_number_compat.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn masked_new<T: Number>(value: T) -> Self {
[INFO] [stdout]    |                      ^^^^^^ the trait `BuiltinInteger` is not implemented for `<T as Number>::UnderlyingType`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Number`
[INFO] [stdout]   --> src/traits.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |         + BuiltinInteger
[INFO] [stdout]    |           ^^^^^^^^^^^^^^ required by this bound in `Number`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/v1_number_compat.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Number: UnsignedInteger<UnderlyingType = <Self as Number>::UnderlyingType> {
[INFO] [stdout]    |           ------ required by a bound in this trait
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn masked_new<T: Number>(value: T) -> Self where <T as Number>::UnderlyingType: BuiltinInteger {
[INFO] [stdout]    |                                                +++++++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `<T as Number>::UnderlyingType: BuiltinInteger` is not satisfied
[INFO] [stdout]   --> src/v1_number_compat.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn as_<T: Number>(self) -> T {
[INFO] [stdout]    |               ^^^^^^ the trait `BuiltinInteger` is not implemented for `<T as Number>::UnderlyingType`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Number`
[INFO] [stdout]   --> src/traits.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |         + BuiltinInteger
[INFO] [stdout]    |           ^^^^^^^^^^^^^^ required by this bound in `Number`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/v1_number_compat.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Number: UnsignedInteger<UnderlyingType = <Self as Number>::UnderlyingType> {
[INFO] [stdout]    |           ------ required by a bound in this trait
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn as_<T: Number>(self) -> T where <T as Number>::UnderlyingType: BuiltinInteger {
[INFO] [stdout]    |                                  +++++++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arbitrary-int` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "95df2493b5e45204f19a2ceb9ff50cfe26a3fa55a9146aac3af935f65fc6be88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95df2493b5e45204f19a2ceb9ff50cfe26a3fa55a9146aac3af935f65fc6be88", kill_on_drop: false }`
[INFO] [stdout] 95df2493b5e45204f19a2ceb9ff50cfe26a3fa55a9146aac3af935f65fc6be88