[INFO] fetching crate fixed 1.31.0...
[INFO] checking fixed-1.31.0 against try#d0ab665d12770dbaae620b539ee4319b83445f45 for pr-133502-24
[INFO] extracting crate fixed 1.31.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fixed 1.31.0
[INFO] finished tweaking crates.io crate fixed 1.31.0
[INFO] tweaked toml for crates.io crate fixed 1.31.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed 1.31.0 on toolchain d0ab665d12770dbaae620b539ee4319b83445f45
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fixed 1.31.0 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" "+d0ab665d12770dbaae620b539ee4319b83445f45" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80
[INFO] running `Command { std: "docker" "start" "058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80" "/opt/rustwide/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80" "/opt/rustwide/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed v1.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.33
[INFO] [stderr]     Checking zerocopy v0.8.33
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | impl_format_helper! { u8, u8 }
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u8>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 610 | impl_format_helper! { u16, u8 }
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u16>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 611 | impl_format_helper! { u32, u16 }
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u32>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 612 | impl_format_helper! { u64, u32 }
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u64>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 613 | impl_format_helper! { u128, u64 }
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u128>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | impl_format_helper! { u8, u8 }
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u8>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 610 | impl_format_helper! { u16, u8 }
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u16>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 611 | impl_format_helper! { u32, u16 }
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u32>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 612 | impl_format_helper! { u64, u32 }
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u64>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |                 (val / 10, (val % 10).wrapping_cast())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 613 | impl_format_helper! { u128, u64 }
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `az::WrappingCast::wrapping_cast(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: this warning originates in the macro `impl_format_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(integer_casts)]` to the crate attributes to enable `core::num::<impl u128>::wrapping_cast`
[INFO] [stdout]    --> src/lib.rs:413:1
[INFO] [stdout]     |
[INFO] [stdout] 413 + #![feature(integer_casts)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.77s
[INFO] running `Command { std: "docker" "inspect" "058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80", kill_on_drop: false }`
[INFO] [stdout] 058a1467d0f565455897de637d1ea5013376ceb3fa42b431d4b9ba63c8e5af80
