[INFO] fetching crate buffered-reader 1.3.1...
[INFO] checking buffered-reader-1.3.1 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate buffered-reader 1.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate buffered-reader 1.3.1 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffered-reader 1.3.1
[INFO] finished tweaking crates.io crate buffered-reader 1.3.1
[INFO] tweaked toml for crates.io crate buffered-reader 1.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82c5f942814daf8fcd24b92718aacb81b0fb64ca72d46d85aee3f9463110644e
[INFO] running `Command { std: "docker" "start" "-a" "82c5f942814daf8fcd24b92718aacb81b0fb64ca72d46d85aee3f9463110644e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82c5f942814daf8fcd24b92718aacb81b0fb64ca72d46d85aee3f9463110644e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c5f942814daf8fcd24b92718aacb81b0fb64ca72d46d85aee3f9463110644e", kill_on_drop: false }`
[INFO] [stdout] 82c5f942814daf8fcd24b92718aacb81b0fb64ca72d46d85aee3f9463110644e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55a667989aa6ea9a2e8b97aa31d606a36373f756e9d4810b2efc0bc6eb22272c
[INFO] running `Command { std: "docker" "start" "-a" "55a667989aa6ea9a2e8b97aa31d606a36373f756e9d4810b2efc0bc6eb22272c", kill_on_drop: false }`
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking buffered-reader v1.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MyStruct` is never constructed
[INFO] [stdout]    --> src/macros.rs:135:16
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub struct MyStruct {}
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithLifetime` is never constructed
[INFO] [stdout]    --> src/macros.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub struct WithLifetime<'a> { _p: std::marker::PhantomData<&'a ()> }
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyWriter` is never constructed
[INFO] [stdout]    --> src/macros.rs:144:16
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub struct MyWriter<W: std::io::Write> { _p: std::marker::PhantomData<W> }
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyWriterWithLifetime` is never constructed
[INFO] [stdout]    --> src/macros.rs:153:16
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub struct MyWriterWithLifetime<'a, C, W: std::io::Write> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "55a667989aa6ea9a2e8b97aa31d606a36373f756e9d4810b2efc0bc6eb22272c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a667989aa6ea9a2e8b97aa31d606a36373f756e9d4810b2efc0bc6eb22272c", kill_on_drop: false }`
[INFO] [stdout] 55a667989aa6ea9a2e8b97aa31d606a36373f756e9d4810b2efc0bc6eb22272c