[INFO] fetching crate bytecheck 0.4.0...
[INFO] checking bytecheck-0.4.0 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate bytecheck 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bytecheck 0.4.0 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytecheck 0.4.0
[INFO] finished tweaking crates.io crate bytecheck 0.4.0
[INFO] tweaked toml for crates.io crate bytecheck 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--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_meta_derive v0.1.1
[INFO] [stderr]   Downloaded bytecheck_derive v0.4.0
[INFO] [stderr]   Downloaded ptr_meta v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a48f9e4f71ce65c6dd89e512466a65400102a8409741e6384a131e4946fba184
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a48f9e4f71ce65c6dd89e512466a65400102a8409741e6384a131e4946fba184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a48f9e4f71ce65c6dd89e512466a65400102a8409741e6384a131e4946fba184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48f9e4f71ce65c6dd89e512466a65400102a8409741e6384a131e4946fba184", kill_on_drop: false }`
[INFO] [stdout] a48f9e4f71ce65c6dd89e512466a65400102a8409741e6384a131e4946fba184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2cfb380bd40308fcc67d126d541669434a43c814fd2713cd5ed8624afae448a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2cfb380bd40308fcc67d126d541669434a43c814fd2713cd5ed8624afae448a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.1
[INFO] [stderr]    Compiling bytecheck_derive v0.4.0
[INFO] [stderr]     Checking ptr_meta v0.1.1
[INFO] [stderr]     Checking bytecheck v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:425:33
[INFO] [stdout]     |
[INFO] [stdout] 425 |         let (data, len) = value.to_raw_parts();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method 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]     = help: call with fully qualified syntax `ptr_meta::PtrExt::to_raw_parts(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(ptr_metadata)]` to the crate attributes to enable `ptr::const_ptr::<impl *const T>::to_raw_parts`
[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/lib.rs:467:33
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let (data, len) = value.to_raw_parts();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method 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]     = help: call with fully qualified syntax `ptr_meta::PtrExt::to_raw_parts(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(ptr_metadata)]` to the crate attributes to enable `ptr::const_ptr::<impl *const T>::to_raw_parts`
[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/lib.rs:425:33
[INFO] [stdout]     |
[INFO] [stdout] 425 |         let (data, len) = value.to_raw_parts();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method 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]     = help: call with fully qualified syntax `ptr_meta::PtrExt::to_raw_parts(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(ptr_metadata)]` to the crate attributes to enable `ptr::const_ptr::<impl *const T>::to_raw_parts`
[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/lib.rs:467:33
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let (data, len) = value.to_raw_parts();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method 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]     = help: call with fully qualified syntax `ptr_meta::PtrExt::to_raw_parts(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(ptr_metadata)]` to the crate attributes to enable `ptr::const_ptr::<impl *const T>::to_raw_parts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.53s
[INFO] running `Command { std: "docker" "inspect" "e2cfb380bd40308fcc67d126d541669434a43c814fd2713cd5ed8624afae448a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2cfb380bd40308fcc67d126d541669434a43c814fd2713cd5ed8624afae448a", kill_on_drop: false }`
[INFO] [stdout] e2cfb380bd40308fcc67d126d541669434a43c814fd2713cd5ed8624afae448a