[INFO] fetching crate serde_sv2 2.0.1...
[INFO] testing serde_sv2-2.0.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate serde_sv2 2.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serde_sv2 2.0.1
[INFO] finished tweaking crates.io crate serde_sv2 2.0.1
[INFO] tweaked toml for crates.io crate serde_sv2 2.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_sv2 2.0.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding buffer_sv2 v1.1.1 (available: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buffer_sv2 v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 710b8f60571a496fc53ad8e78605caa5d4bff1ebef27e7163e72e61eac8708c7
[INFO] running `Command { std: "docker" "start" "-a" "710b8f60571a496fc53ad8e78605caa5d4bff1ebef27e7163e72e61eac8708c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710b8f60571a496fc53ad8e78605caa5d4bff1ebef27e7163e72e61eac8708c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710b8f60571a496fc53ad8e78605caa5d4bff1ebef27e7163e72e61eac8708c7", kill_on_drop: false }`
[INFO] [stdout] 710b8f60571a496fc53ad8e78605caa5d4bff1ebef27e7163e72e61eac8708c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c887dc2c925b87944d01e2ab71d4893c571f042b9509417d46a35b238c481510
[INFO] running `Command { std: "docker" "start" "-a" "c887dc2c925b87944d01e2ab71d4893c571f042b9509417d46a35b238c481510", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling buffer_sv2 v1.1.1
[INFO] [stderr]    Compiling serde_sv2 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Seq` is never constructed
[INFO] [stdout]    --> src/de.rs:456:8
[INFO] [stdout]     |
[INFO] [stdout] 456 | struct Seq<'de, 'a> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoStatic` is never used
[INFO] [stdout]  --> src/primitives/byte_arrays/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait IntoStatic {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "c887dc2c925b87944d01e2ab71d4893c571f042b9509417d46a35b238c481510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c887dc2c925b87944d01e2ab71d4893c571f042b9509417d46a35b238c481510", kill_on_drop: false }`
[INFO] [stdout] c887dc2c925b87944d01e2ab71d4893c571f042b9509417d46a35b238c481510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f2ff9a053d9af004be8d60fdeb28d8752288f3d4b4bd199d988b41338f2903
[INFO] running `Command { std: "docker" "start" "-a" "b9f2ff9a053d9af004be8d60fdeb28d8752288f3d4b4bd199d988b41338f2903", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Seq` is never constructed
[INFO] [stdout]    --> src/de.rs:456:8
[INFO] [stdout]     |
[INFO] [stdout] 456 | struct Seq<'de, 'a> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoStatic` is never used
[INFO] [stdout]  --> src/primitives/byte_arrays/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait IntoStatic {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_sv2 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Seq` is never constructed
[INFO] [stdout]    --> src/de.rs:456:8
[INFO] [stdout]     |
[INFO] [stdout] 456 | struct Seq<'de, 'a> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoStatic` is never used
[INFO] [stdout]  --> src/primitives/byte_arrays/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait IntoStatic {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "b9f2ff9a053d9af004be8d60fdeb28d8752288f3d4b4bd199d988b41338f2903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f2ff9a053d9af004be8d60fdeb28d8752288f3d4b4bd199d988b41338f2903", kill_on_drop: false }`
[INFO] [stdout] b9f2ff9a053d9af004be8d60fdeb28d8752288f3d4b4bd199d988b41338f2903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66afbe351368abc9fba0e8502ca5f2dbc80078ba1faa97ce0d4b006b66ffea8c
[INFO] running `Command { std: "docker" "start" "-a" "66afbe351368abc9fba0e8502ca5f2dbc80078ba1faa97ce0d4b006b66ffea8c", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Seq` is never constructed
[INFO] [stderr]    --> src/de.rs:456:8
[INFO] [stderr]     |
[INFO] [stderr] 456 | struct Seq<'de, 'a> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IntoStatic` is never used
[INFO] [stderr]  --> src/primitives/byte_arrays/mod.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub trait IntoStatic {
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_sv2` (lib) generated 2 warnings
[INFO] [stderr] warning: `serde_sv2` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_sv2-88851e92e54f8637)
[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_u24 ... ok
[INFO] [stdout] test de::test_seq0255_u256 ... ok
[INFO] [stdout] test de::test_seq0255_signature ... ok
[INFO] [stdout] test de::test_seq064k_signature ... ok
[INFO] [stdout] test de::test_b064k ... ok
[INFO] [stdout] test de::test_seq064k_u256 ... ok
[INFO] [stdout] test de::test_seq064k_u16 ... ok
[INFO] [stdout] test de::test_seq064k_b016m ... ok
[INFO] [stdout] test de::test_seq064k_u24 ... ok
[INFO] [stdout] test de::test_seq064k_u32 ... ok
[INFO] [stdout] test de::test_signature ... ok
[INFO] [stdout] test de::test_struct ... ok
[INFO] [stdout] test de::test_u256 ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_64k ... ok
[INFO] [stdout] test ser::test_struct ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_64k_2 ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_64k_3 ... ok
[INFO] [stdout] test de::test_seq0255_u32 ... ok
[INFO] [stdout] test primitives::byte_arrays::test_b0_16m ... ok
[INFO] [stdout] test de::test_b016m ... ok
[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 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_sv2
[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" "66afbe351368abc9fba0e8502ca5f2dbc80078ba1faa97ce0d4b006b66ffea8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66afbe351368abc9fba0e8502ca5f2dbc80078ba1faa97ce0d4b006b66ffea8c", kill_on_drop: false }`
[INFO] [stdout] 66afbe351368abc9fba0e8502ca5f2dbc80078ba1faa97ce0d4b006b66ffea8c