[INFO] fetching crate serde_sv2 0.1.0...
[INFO] testing serde_sv2-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate serde_sv2 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serde_sv2 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buffer_sv2 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 561f15bb6449cd57e9d140005826dc84f3976a87ca96d24675996ccfb17c7c39
[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" "561f15bb6449cd57e9d140005826dc84f3976a87ca96d24675996ccfb17c7c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "561f15bb6449cd57e9d140005826dc84f3976a87ca96d24675996ccfb17c7c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561f15bb6449cd57e9d140005826dc84f3976a87ca96d24675996ccfb17c7c39", kill_on_drop: false }`
[INFO] [stdout] 561f15bb6449cd57e9d140005826dc84f3976a87ca96d24675996ccfb17c7c39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d2b16696d7a562f186e70d73b02f850256a50096652b92ca84cdc30398079d
[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" "45d2b16696d7a562f186e70d73b02f850256a50096652b92ca84cdc30398079d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling buffer_sv2 v0.1.0
[INFO] [stderr]    Compiling quote v1.0.10
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.19s
[INFO] running `Command { std: "docker" "inspect" "45d2b16696d7a562f186e70d73b02f850256a50096652b92ca84cdc30398079d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d2b16696d7a562f186e70d73b02f850256a50096652b92ca84cdc30398079d", kill_on_drop: false }`
[INFO] [stdout] 45d2b16696d7a562f186e70d73b02f850256a50096652b92ca84cdc30398079d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a67232459e066b7a572e87d78a2d672fefa3eda3939141d85ebedc6f8365e5
[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" "f1a67232459e066b7a572e87d78a2d672fefa3eda3939141d85ebedc6f8365e5", kill_on_drop: false }`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "f1a67232459e066b7a572e87d78a2d672fefa3eda3939141d85ebedc6f8365e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a67232459e066b7a572e87d78a2d672fefa3eda3939141d85ebedc6f8365e5", kill_on_drop: false }`
[INFO] [stdout] f1a67232459e066b7a572e87d78a2d672fefa3eda3939141d85ebedc6f8365e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72198b9ff416ac14d6f91604c06b94140609a0b4d2dcd695ad2fb0fc28b9831f
[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" "72198b9ff416ac14d6f91604c06b94140609a0b4d2dcd695ad2fb0fc28b9831f", 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] 
[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 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_sv2-67ba79de412e709f)
[INFO] [stdout] running 24 tests
[INFO] [stdout] test de::test_b064k ... ok
[INFO] [stdout] test de::test_seq0255_bool ... ok
[INFO] [stdout] test de::test_seq064k_u16 ... ok
[INFO] [stdout] test de::test_seq064k_u24 ... ok
[INFO] [stdout] test de::test_seq064k_signature ... ok
[INFO] [stdout] test de::test_seq064k_u32 ... ok
[INFO] [stdout] test de::test_seq064k_u256 ... ok
[INFO] [stdout] test de::test_seq0255_u16 ... ok
[INFO] [stdout] test de::test_seq0255_u24 ... ok
[INFO] [stdout] test de::test_b0255 ... ok
[INFO] [stdout] test de::test_seq064k_b016m ... ok
[INFO] [stdout] test de::test_seq0255_u32 ... ok
[INFO] [stdout] test de::test_seq0255_signature ... ok
[INFO] [stdout] test de::test_signature ... ok
[INFO] [stdout] test ser::test_struct ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_16m ... ok
[INFO] [stdout] test de::test_struct ... 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 de::test_seq0255_u256 ... ok
[INFO] [stdout] test de::test_b016m ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_64k_3 ... ok
[INFO] [stdout] test de::test_u256 ... ok
[INFO] [stderr]    Doc-tests serde_sv2
[INFO] [stdout] test de::test_seq064k_bool ... ok
[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" "72198b9ff416ac14d6f91604c06b94140609a0b4d2dcd695ad2fb0fc28b9831f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72198b9ff416ac14d6f91604c06b94140609a0b4d2dcd695ad2fb0fc28b9831f", kill_on_drop: false }`
[INFO] [stdout] 72198b9ff416ac14d6f91604c06b94140609a0b4d2dcd695ad2fb0fc28b9831f