[INFO] fetching crate ipfs-unixfs 0.2.0...
[INFO] checking ipfs-unixfs-0.2.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate ipfs-unixfs 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ipfs-unixfs 0.2.0
[INFO] finished tweaking crates.io crate ipfs-unixfs 0.2.0
[INFO] tweaked toml for crates.io crate ipfs-unixfs 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ipfs-unixfs 0.2.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ipfs-unixfs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 565789c6ef0f1e56e0315ca1fa793319eee0fe49767f1b60bc82f1d2fd2ead95
[INFO] running `Command { std: "docker" "start" "-a" "565789c6ef0f1e56e0315ca1fa793319eee0fe49767f1b60bc82f1d2fd2ead95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "565789c6ef0f1e56e0315ca1fa793319eee0fe49767f1b60bc82f1d2fd2ead95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565789c6ef0f1e56e0315ca1fa793319eee0fe49767f1b60bc82f1d2fd2ead95", kill_on_drop: false }`
[INFO] [stdout] 565789c6ef0f1e56e0315ca1fa793319eee0fe49767f1b60bc82f1d2fd2ead95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e3879f49065e8bc49fee54e43f38c9b179950d8f4fdf7f1c6d7b099b51e30ac
[INFO] running `Command { std: "docker" "start" "-a" "2e3879f49065e8bc49fee54e43f38c9b179950d8f4fdf7f1c6d7b099b51e30ac", kill_on_drop: false }`
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[INFO] [stderr]     Checking bstr v0.2.13
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[INFO] [stderr]     Checking ipfs-unixfs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `hidden` is never read
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct InvalidCidInLink {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     hidden: (),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InvalidCidInLink` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_borrowed` is never used
[INFO] [stdout]    --> src/file.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub(crate) trait UnwrapBorrowedExt<'a> {
[INFO] [stdout]     |                  ----------------- method in this trait
[INFO] [stdout] 156 |     /// Does not default but requires there to be an borrowed inner value.
[INFO] [stdout] 157 |     fn unwrap_borrowed(self) -> &'a [u8];
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metadata` is never constructed
[INFO] [stdout]    --> src/pb/unixfs.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Metadata<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: field `hidden` is never read
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct InvalidCidInLink {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     hidden: (),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InvalidCidInLink` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metadata` is never constructed
[INFO] [stdout]    --> src/pb/unixfs.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Metadata<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "2e3879f49065e8bc49fee54e43f38c9b179950d8f4fdf7f1c6d7b099b51e30ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3879f49065e8bc49fee54e43f38c9b179950d8f4fdf7f1c6d7b099b51e30ac", kill_on_drop: false }`
[INFO] [stdout] 2e3879f49065e8bc49fee54e43f38c9b179950d8f4fdf7f1c6d7b099b51e30ac
