[INFO] fetching crate bytebuffer 2.3.0...
[INFO] checking bytebuffer-2.3.0 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate bytebuffer 2.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bytebuffer 2.3.0 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate bytebuffer 2.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bytebuffer 2.3.0
[INFO] tweaked toml for crates.io crate bytebuffer 2.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebbe6d5f7e11fc7a7a6e5ec65e1f852b2f87c19aa1b176b26d84968d94da8ce
[INFO] running `Command { std: "docker" "start" "-a" "bebbe6d5f7e11fc7a7a6e5ec65e1f852b2f87c19aa1b176b26d84968d94da8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebbe6d5f7e11fc7a7a6e5ec65e1f852b2f87c19aa1b176b26d84968d94da8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebbe6d5f7e11fc7a7a6e5ec65e1f852b2f87c19aa1b176b26d84968d94da8ce", kill_on_drop: false }`
[INFO] [stdout] bebbe6d5f7e11fc7a7a6e5ec65e1f852b2f87c19aa1b176b26d84968d94da8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1c85d1fa258c62cbe649cda85ae747f119666bd071713972464d5ecdc521d18
[INFO] running `Command { std: "docker" "start" "-a" "d1c85d1fa258c62cbe649cda85ae747f119666bd071713972464d5ecdc521d18", kill_on_drop: false }`
[INFO] [stderr]     Checking bytebuffer v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `half`
[INFO] [stdout]   --> tests/buffer.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |         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:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |         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:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |         buffer.write_bf16(half::bf16::from_f32(12.5));
[INFO] [stdout]    |                           ^^^^ use of undeclared crate or module `half`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::arch::x86_64::bf16;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `bf16`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 19 -         buffer.write_bf16(half::bf16::from_f32(12.5));
[INFO] [stdout] 19 +         buffer.write_bf16(bf16::from_f32(12.5));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `half`
[INFO] [stdout]   --> tests/buffer.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |         buffer.write_bf16(half::bf16::from_f32(12.5));
[INFO] [stdout]    |                           ^^^^ use of undeclared crate or module `half`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::arch::x86_64::bf16;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `bf16`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 19 -         buffer.write_bf16(half::bf16::from_f32(12.5));
[INFO] [stdout] 19 +         buffer.write_bf16(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:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |         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] 19 |         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/buffer.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |         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] 19 |         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:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         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] 20 |         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:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         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] 20 |         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:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |         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] 44 |         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:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |         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] 42 |         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:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |         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] 45 |         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:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |         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] 43 |         let _ = reader.read_i16();
[INFO] [stdout]    |                        ~~~~~~~~
[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] [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 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bytebuffer` (test "buffer") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "d1c85d1fa258c62cbe649cda85ae747f119666bd071713972464d5ecdc521d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c85d1fa258c62cbe649cda85ae747f119666bd071713972464d5ecdc521d18", kill_on_drop: false }`
[INFO] [stdout] d1c85d1fa258c62cbe649cda85ae747f119666bd071713972464d5ecdc521d18