[INFO] fetching crate bytebuffer 2.2.0...
[INFO] checking bytebuffer-2.2.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate bytebuffer 2.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bytebuffer 2.2.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate bytebuffer 2.2.0
[INFO] finished tweaking crates.io crate bytebuffer 2.2.0
[INFO] tweaked toml for crates.io crate bytebuffer 2.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cd0f832f0152fc9f431682ec2401456e0ee08083596639fedc8db3f7144a59a
[INFO] running `Command { std: "docker" "start" "-a" "2cd0f832f0152fc9f431682ec2401456e0ee08083596639fedc8db3f7144a59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cd0f832f0152fc9f431682ec2401456e0ee08083596639fedc8db3f7144a59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd0f832f0152fc9f431682ec2401456e0ee08083596639fedc8db3f7144a59a", kill_on_drop: false }`
[INFO] [stdout] 2cd0f832f0152fc9f431682ec2401456e0ee08083596639fedc8db3f7144a59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 676c7ce04c9fc982d585c331f85fe2fa24ed212c1be4a7582ad9e9c8eaf57364
[INFO] running `Command { std: "docker" "start" "-a" "676c7ce04c9fc982d585c331f85fe2fa24ed212c1be4a7582ad9e9c8eaf57364", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bytebuffer v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `half`
[INFO] [stdout]   --> tests/buffer.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |         buffer.write_bf16(half::bf16::from_f32(12.5));
[INFO] [stdout]    |                           ^^^^ use of undeclared crate or module `half`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `half`
[INFO] [stdout]   --> tests/buffer.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |         buffer.write_f16(half::f16::from_f32(12.5));
[INFO] [stdout]    |                          ^^^^ use of undeclared crate or module `half`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `half`
[INFO] [stdout]   --> tests/reader.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |         buffer.write_bf16(half::bf16::from_f32(12.5));
[INFO] [stdout]    |                           ^^^^ use of undeclared crate or module `half`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `half`
[INFO] [stdout]   --> tests/reader.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |         buffer.write_f16(half::f16::from_f32(12.5));
[INFO] [stdout]    |                          ^^^^ use of undeclared crate or module `half`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bf16` found for struct `ByteBuffer` in the current scope
[INFO] [stdout]   --> tests/buffer.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |         buffer.write_bf16(half::bf16::from_f32(12.5));
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 17 |         buffer.write(half::bf16::from_f32(12.5));
[INFO] [stdout]    |                ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_bf16` found for struct `ByteBuffer` in the current scope
[INFO] [stdout]   --> tests/reader.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |         buffer.write_bf16(half::bf16::from_f32(12.5));
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 17 |         buffer.write(half::bf16::from_f32(12.5));
[INFO] [stdout]    |                ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_f16` found for struct `ByteBuffer` in the current scope
[INFO] [stdout]   --> tests/buffer.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |         buffer.write_f16(half::f16::from_f32(12.5));
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write_i16` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 18 |         buffer.write_i16(half::f16::from_f32(12.5));
[INFO] [stdout]    |                ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_f16` found for struct `ByteBuffer` in the current scope
[INFO] [stdout]   --> tests/reader.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |         buffer.write_f16(half::f16::from_f32(12.5));
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `write_i16` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 18 |         buffer.write_i16(half::f16::from_f32(12.5));
[INFO] [stdout]    |                ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_bf16` found for struct `ByteBuffer` in the current scope
[INFO] [stdout]   --> tests/buffer.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = buffer.read_bf16();
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `read_i16` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = buffer.read_i16();
[INFO] [stdout]    |                        ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_bf16` found for struct `ByteReader` in the current scope
[INFO] [stdout]   --> tests/reader.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = reader.read_bf16();
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `read_i16` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = reader.read_i16();
[INFO] [stdout]    |                        ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_f16` found for struct `ByteBuffer` in the current scope
[INFO] [stdout]   --> tests/buffer.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = buffer.read_f16();
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `read_i16` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = buffer.read_i16();
[INFO] [stdout]    |                        ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_f16` found for struct `ByteReader` in the current scope
[INFO] [stdout]   --> tests/reader.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = reader.read_f16();
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `read_i16` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = reader.read_i16();
[INFO] [stdout]    |                        ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytebuffer` (test "buffer") due to 7 previous errors
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytebuffer` (test "reader") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "676c7ce04c9fc982d585c331f85fe2fa24ed212c1be4a7582ad9e9c8eaf57364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676c7ce04c9fc982d585c331f85fe2fa24ed212c1be4a7582ad9e9c8eaf57364", kill_on_drop: false }`
[INFO] [stdout] 676c7ce04c9fc982d585c331f85fe2fa24ed212c1be4a7582ad9e9c8eaf57364