[INFO] crate byte-sequence 0.2.2 is already in cache
[INFO] testing byte-sequence-0.2.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate byte-sequence 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate byte-sequence 0.2.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byte-sequence 0.2.2
[INFO] finished tweaking crates.io crate byte-sequence 0.2.2
[INFO] tweaked toml for crates.io crate byte-sequence 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8d732b4803d6fa272e79d5b655ba28e11a5848f46849974e51fae8f247648c9
[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" "a8d732b4803d6fa272e79d5b655ba28e11a5848f46849974e51fae8f247648c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8d732b4803d6fa272e79d5b655ba28e11a5848f46849974e51fae8f247648c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d732b4803d6fa272e79d5b655ba28e11a5848f46849974e51fae8f247648c9", kill_on_drop: false }`
[INFO] [stdout] a8d732b4803d6fa272e79d5b655ba28e11a5848f46849974e51fae8f247648c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", 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] 9ac7d79374600a5d5d9cf544d5d12c5e9eeca9d6ecb9b307387293106e4470d3
[INFO] running `Command { std: "docker" "start" "-a" "9ac7d79374600a5d5d9cf544d5d12c5e9eeca9d6ecb9b307387293106e4470d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling byte-sequence v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "9ac7d79374600a5d5d9cf544d5d12c5e9eeca9d6ecb9b307387293106e4470d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac7d79374600a5d5d9cf544d5d12c5e9eeca9d6ecb9b307387293106e4470d3", kill_on_drop: false }`
[INFO] [stdout] 9ac7d79374600a5d5d9cf544d5d12c5e9eeca9d6ecb9b307387293106e4470d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52d2e9213c22cc77ab534b5b0094357a3cc102b262f37db712fb7c7a28639d96
[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" "52d2e9213c22cc77ab534b5b0094357a3cc102b262f37db712fb7c7a28639d96", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-sequence v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]    --> src/lib.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stdout]     |                 ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]    --> src/lib.rs:147:30
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stdout]     |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serializer`
[INFO] [stdout]    --> src/lib.rs:147:55
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stdout]     |                                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "52d2e9213c22cc77ab534b5b0094357a3cc102b262f37db712fb7c7a28639d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d2e9213c22cc77ab534b5b0094357a3cc102b262f37db712fb7c7a28639d96", kill_on_drop: false }`
[INFO] [stdout] 52d2e9213c22cc77ab534b5b0094357a3cc102b262f37db712fb7c7a28639d96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d2a7ed6b1c34f82f52a487cf43d812d3429cf892de650e6af744def4a5dc9d8
[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" "9d2a7ed6b1c34f82f52a487cf43d812d3429cf892de650e6af744def4a5dc9d8", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]    --> src/lib.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                 ^^^^^^^^^^^                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserializer`
[INFO] [stderr]    --> src/lib.rs:147:30
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serializer`
[INFO] [stderr]    --> src/lib.rs:147:55
[INFO] [stderr]     |
[INFO] [stderr] 147 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]     |                                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/byte_sequence-13a1b9ce70485be7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::serialize_deserialize ... ok
[INFO] [stderr]    Doc-tests byte-sequence
[INFO] [stdout] test tests::example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d2a7ed6b1c34f82f52a487cf43d812d3429cf892de650e6af744def4a5dc9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2a7ed6b1c34f82f52a487cf43d812d3429cf892de650e6af744def4a5dc9d8", kill_on_drop: false }`
[INFO] [stdout] 9d2a7ed6b1c34f82f52a487cf43d812d3429cf892de650e6af744def4a5dc9d8