[INFO] fetching crate ssi-multicodec 0.2.0...
[INFO] testing ssi-multicodec-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ssi-multicodec 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ssi-multicodec 0.2.0
[INFO] finished tweaking crates.io crate ssi-multicodec 0.2.0
[INFO] tweaked toml for crates.io crate ssi-multicodec 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssi-multicodec 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 123 packages to latest compatible versions
[INFO] [stderr]       Adding crypto-common v0.1.6 (available: v0.1.7)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding unsigned-varint v0.7.2 (available: v0.8.0)
[INFO] [stderr]       Adding zkryptium v0.2.2 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cb04e18753f94b829d6592fe28e073f74379a62dbc1bf168ded49dae03ab847
[INFO] running `Command { std: "docker" "start" "-a" "7cb04e18753f94b829d6592fe28e073f74379a62dbc1bf168ded49dae03ab847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb04e18753f94b829d6592fe28e073f74379a62dbc1bf168ded49dae03ab847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb04e18753f94b829d6592fe28e073f74379a62dbc1bf168ded49dae03ab847", kill_on_drop: false }`
[INFO] [stdout] 7cb04e18753f94b829d6592fe28e073f74379a62dbc1bf168ded49dae03ab847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ebeaf73a6a35582e372816dfc94138768afa527fe832f4b026154dd8b321ad2
[INFO] running `Command { std: "docker" "start" "-a" "1ebeaf73a6a35582e372816dfc94138768afa527fe832f4b026154dd8b321ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling unsigned-varint v0.7.2
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling ssi-multicodec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/codec/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn to_bytes(&self) -> Cow<[u8]>;
[INFO] [stdout]   |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn to_bytes(&self) -> Cow<'_, [u8]>;
[INFO] [stdout]   |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/codec/mod.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_codec_and_bytes(&self) -> (u64, Cow<[u8]>);
[INFO] [stdout]    |                           ^^^^^           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_codec_and_bytes(&self) -> (u64, Cow<'_, [u8]>);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/codec/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn to_codec_and_bytes(&self) -> (u64, Cow<[u8]>) {
[INFO] [stdout]    |                           ^^^^^           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn to_codec_and_bytes(&self) -> (u64, Cow<'_, [u8]>) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "1ebeaf73a6a35582e372816dfc94138768afa527fe832f4b026154dd8b321ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebeaf73a6a35582e372816dfc94138768afa527fe832f4b026154dd8b321ad2", kill_on_drop: false }`
[INFO] [stdout] 1ebeaf73a6a35582e372816dfc94138768afa527fe832f4b026154dd8b321ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da0e7b653dc3fc1478fb0c159b94dc16ec1a3a49fddc7f934c4b9b82ceda5c9
[INFO] running `Command { std: "docker" "start" "-a" "4da0e7b653dc3fc1478fb0c159b94dc16ec1a3a49fddc7f934c4b9b82ceda5c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ssi-multicodec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/codec/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn to_bytes(&self) -> Cow<[u8]>;
[INFO] [stdout]   |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn to_bytes(&self) -> Cow<'_, [u8]>;
[INFO] [stdout]   |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/codec/mod.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_codec_and_bytes(&self) -> (u64, Cow<[u8]>);
[INFO] [stdout]    |                           ^^^^^           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_codec_and_bytes(&self) -> (u64, Cow<'_, [u8]>);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/codec/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn to_codec_and_bytes(&self) -> (u64, Cow<[u8]>) {
[INFO] [stdout]    |                           ^^^^^           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn to_codec_and_bytes(&self) -> (u64, Cow<'_, [u8]>) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/codec/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn to_bytes(&self) -> Cow<[u8]>;
[INFO] [stdout]   |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn to_bytes(&self) -> Cow<'_, [u8]>;
[INFO] [stdout]   |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/codec/mod.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_codec_and_bytes(&self) -> (u64, Cow<[u8]>);
[INFO] [stdout]    |                           ^^^^^           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_codec_and_bytes(&self) -> (u64, Cow<'_, [u8]>);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/codec/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn to_codec_and_bytes(&self) -> (u64, Cow<[u8]>) {
[INFO] [stdout]    |                           ^^^^^           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn to_codec_and_bytes(&self) -> (u64, Cow<'_, [u8]>) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "4da0e7b653dc3fc1478fb0c159b94dc16ec1a3a49fddc7f934c4b9b82ceda5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da0e7b653dc3fc1478fb0c159b94dc16ec1a3a49fddc7f934c4b9b82ceda5c9", kill_on_drop: false }`
[INFO] [stdout] 4da0e7b653dc3fc1478fb0c159b94dc16ec1a3a49fddc7f934c4b9b82ceda5c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c0578c996f2de0160fef1f46e64ee644834c9854460df64390f3bf5c32c2ebd
[INFO] running `Command { std: "docker" "start" "-a" "7c0578c996f2de0160fef1f46e64ee644834c9854460df64390f3bf5c32c2ebd", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/codec/mod.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn to_bytes(&self) -> Cow<[u8]>;
[INFO] [stderr]   |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn to_bytes(&self) -> Cow<'_, [u8]>;
[INFO] [stderr]   |                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/codec/mod.rs:14:27
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn to_codec_and_bytes(&self) -> (u64, Cow<[u8]>);
[INFO] [stderr]    |                           ^^^^^           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn to_codec_and_bytes(&self) -> (u64, Cow<'_, [u8]>);
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/codec/mod.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn to_codec_and_bytes(&self) -> (u64, Cow<[u8]>) {
[INFO] [stderr]    |                           ^^^^^           ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn to_codec_and_bytes(&self) -> (u64, Cow<'_, [u8]>) {
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `ssi-multicodec` (lib) generated 3 warnings (run `cargo fix --lib -p ssi-multicodec` to apply 3 suggestions)
[INFO] [stderr] warning: `ssi-multicodec` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ssi_multicodec-b1538d58249964d0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ssi_multicodec
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c0578c996f2de0160fef1f46e64ee644834c9854460df64390f3bf5c32c2ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0578c996f2de0160fef1f46e64ee644834c9854460df64390f3bf5c32c2ebd", kill_on_drop: false }`
[INFO] [stdout] 7c0578c996f2de0160fef1f46e64ee644834c9854460df64390f3bf5c32c2ebd
