[INFO] fetching crate serde_sv2 0.1.0...
[INFO] testing serde_sv2-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate serde_sv2 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_sv2 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_sv2 0.1.0
[INFO] finished tweaking crates.io crate serde_sv2 0.1.0
[INFO] tweaked toml for crates.io crate serde_sv2 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f637d925c04f00f0b44fb3ab3cc8d985ee63859efd4650b35e42a26677b4652
[INFO] running `Command { std: "docker" "start" "-a" "3f637d925c04f00f0b44fb3ab3cc8d985ee63859efd4650b35e42a26677b4652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f637d925c04f00f0b44fb3ab3cc8d985ee63859efd4650b35e42a26677b4652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f637d925c04f00f0b44fb3ab3cc8d985ee63859efd4650b35e42a26677b4652", kill_on_drop: false }`
[INFO] [stdout] 3f637d925c04f00f0b44fb3ab3cc8d985ee63859efd4650b35e42a26677b4652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a620b49bd963cbf4fd81ce0958445e0d03a2f453b17f62fd1481ba2838ed26e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a620b49bd963cbf4fd81ce0958445e0d03a2f453b17f62fd1481ba2838ed26e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling buffer_sv2 v0.1.0
[INFO] [stderr]    Compiling serde_sv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]   --> src/de.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     len: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Deserializer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/de.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "4a620b49bd963cbf4fd81ce0958445e0d03a2f453b17f62fd1481ba2838ed26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a620b49bd963cbf4fd81ce0958445e0d03a2f453b17f62fd1481ba2838ed26e", kill_on_drop: false }`
[INFO] [stdout] 4a620b49bd963cbf4fd81ce0958445e0d03a2f453b17f62fd1481ba2838ed26e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 886e73805f78a57a6e159cb94ef58ce799d09de979f3f49b3edba9285be460b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "886e73805f78a57a6e159cb94ef58ce799d09de979f3f49b3edba9285be460b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_sv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]   --> src/de.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     len: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Deserializer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/de.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]   --> src/de.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     len: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Deserializer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/de.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.33s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_sv2-058f3e4230c15aac)
[INFO] running `Command { std: "docker" "inspect" "886e73805f78a57a6e159cb94ef58ce799d09de979f3f49b3edba9285be460b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886e73805f78a57a6e159cb94ef58ce799d09de979f3f49b3edba9285be460b9", kill_on_drop: false }`
[INFO] [stdout] 886e73805f78a57a6e159cb94ef58ce799d09de979f3f49b3edba9285be460b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0beff46202fc3e0d4fcd520c8fb71b61b01d993e256b2f7cec5b85ce5587671b
[INFO] running `Command { std: "docker" "start" "-a" "0beff46202fc3e0d4fcd520c8fb71b61b01d993e256b2f7cec5b85ce5587671b", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `len`
[INFO] [stderr]   --> src/de.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     len: u8,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Deserializer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/de.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_sv2` (lib) generated 1 warning
[INFO] [stderr] warning: `serde_sv2` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_sv2-058f3e4230c15aac)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test de::test_b0255 ... ok
[INFO] [stdout] test de::test_seq0255_bool ... ok
[INFO] [stdout] test de::test_seq0255_u16 ... ok
[INFO] [stdout] test de::test_seq0255_u256 ... ok
[INFO] [stdout] test de::test_seq0255_signature ... ok
[INFO] [stdout] test de::test_seq0255_u24 ... ok
[INFO] [stdout] test de::test_seq0255_u32 ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_64k_3 ... ok
[INFO] [stdout] test de::test_signature ... ok
[INFO] [stdout] test de::test_struct ... ok
[INFO] [stdout] test de::test_seq064k_u32 ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_64k ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_64k_2 ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_16m ... ok
[INFO] [stdout] test de::test_u256 ... ok
[INFO] [stdout] test de::test_b064k ... ok
[INFO] [stdout] test de::test_seq064k_signature ... ok
[INFO] [stdout] test de::test_seq064k_u16 ... ok
[INFO] [stdout] test de::test_seq064k_u24 ... ok
[INFO] [stdout] test de::test_seq064k_b016m ... ok
[INFO] [stdout] test ser::test_struct ... ok
[INFO] [stdout] test de::test_seq064k_u256 ... ok
[INFO] [stdout] test de::test_b016m ... ok
[INFO] [stdout] test de::test_seq064k_bool ... ok
[INFO] [stderr]    Doc-tests serde_sv2
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[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" "0beff46202fc3e0d4fcd520c8fb71b61b01d993e256b2f7cec5b85ce5587671b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0beff46202fc3e0d4fcd520c8fb71b61b01d993e256b2f7cec5b85ce5587671b", kill_on_drop: false }`
[INFO] [stdout] 0beff46202fc3e0d4fcd520c8fb71b61b01d993e256b2f7cec5b85ce5587671b