[INFO] fetching crate zstd-seekable-s3 0.6.0...
[INFO] checking zstd-seekable-s3-0.6.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate zstd-seekable-s3 0.6.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate zstd-seekable-s3 0.6.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-93/source/rust-toolchain
[INFO] started tweaking crates.io crate zstd-seekable-s3 0.6.0
[INFO] finished tweaking crates.io crate zstd-seekable-s3 0.6.0
[INFO] tweaked toml for crates.io crate zstd-seekable-s3 0.6.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate crates.io crate zstd-seekable-s3 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 233d2fce850e98e56c2a48afb5dc9fe5aa49b848a0e2ab348f896e2754460c52
[INFO] running `Command { std: "docker" "start" "-a" "233d2fce850e98e56c2a48afb5dc9fe5aa49b848a0e2ab348f896e2754460c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "233d2fce850e98e56c2a48afb5dc9fe5aa49b848a0e2ab348f896e2754460c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233d2fce850e98e56c2a48afb5dc9fe5aa49b848a0e2ab348f896e2754460c52", kill_on_drop: false }`
[INFO] [stdout] 233d2fce850e98e56c2a48afb5dc9fe5aa49b848a0e2ab348f896e2754460c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 842688368be05f51882b67a6dcc9c0cc66db2ea6a47045a941a28205bf68b974
[INFO] running `Command { std: "docker" "start" "-a" "842688368be05f51882b67a6dcc9c0cc66db2ea6a47045a941a28205bf68b974", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> examples/roundtrip_file.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_size`
[INFO] [stdout]   --> examples/roundtrip_file.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     buffer_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frame_size`
[INFO] [stdout]   --> examples/roundtrip_file.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     frame_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `compression_level`
[INFO] [stdout]   --> examples/roundtrip_file.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     compression_level: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> examples/roundtrip_stream_s3.rs:95:10
[INFO] [stdout]    |
[INFO] [stdout] 95 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> examples/roundtrip_stream_s3.rs:165:10
[INFO] [stdout]     |
[INFO] [stdout] 165 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_size`
[INFO] [stdout]   --> examples/roundtrip_stream_s3.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     buffer_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frame_size`
[INFO] [stdout]   --> examples/roundtrip_stream_s3.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     frame_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `compression_level`
[INFO] [stdout]   --> examples/roundtrip_stream_s3.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     compression_level: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.59s
[INFO] running `Command { std: "docker" "inspect" "842688368be05f51882b67a6dcc9c0cc66db2ea6a47045a941a28205bf68b974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842688368be05f51882b67a6dcc9c0cc66db2ea6a47045a941a28205bf68b974", kill_on_drop: false }`
[INFO] [stdout] 842688368be05f51882b67a6dcc9c0cc66db2ea6a47045a941a28205bf68b974