[INFO] fetching crate byte-sequence 0.2.2...
[INFO] testing byte-sequence-0.2.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate byte-sequence 0.2.2 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate byte-sequence 0.2.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 570b11e3c17ab1321151447855ab12ad0e65cd652c8856d33497bebf99192865
[INFO] running `Command { std: "docker" "start" "-a" "570b11e3c17ab1321151447855ab12ad0e65cd652c8856d33497bebf99192865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "570b11e3c17ab1321151447855ab12ad0e65cd652c8856d33497bebf99192865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570b11e3c17ab1321151447855ab12ad0e65cd652c8856d33497bebf99192865", kill_on_drop: false }`
[INFO] [stdout] 570b11e3c17ab1321151447855ab12ad0e65cd652c8856d33497bebf99192865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0959b1a0591841dea82febdc9270f45ee6c8b7315c4bf97ed040e3d4fe8a9e1d
[INFO] running `Command { std: "docker" "start" "-a" "0959b1a0591841dea82febdc9270f45ee6c8b7315c4bf97ed040e3d4fe8a9e1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling addr2line v0.17.0
[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 6.97s
[INFO] running `Command { std: "docker" "inspect" "0959b1a0591841dea82febdc9270f45ee6c8b7315c4bf97ed040e3d4fe8a9e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0959b1a0591841dea82febdc9270f45ee6c8b7315c4bf97ed040e3d4fe8a9e1d", kill_on_drop: false }`
[INFO] [stdout] 0959b1a0591841dea82febdc9270f45ee6c8b7315c4bf97ed040e3d4fe8a9e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce65ab103a838049368851414f0ecd8d3a0047c1a0e0d240d63ae7d0f40e897e
[INFO] running `Command { std: "docker" "start" "-a" "ce65ab103a838049368851414f0ecd8d3a0047c1a0e0d240d63ae7d0f40e897e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | mod tests {
[INFO] [stdout]     | ^^^^^^^^^
[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 6.06s
[INFO] running `Command { std: "docker" "inspect" "ce65ab103a838049368851414f0ecd8d3a0047c1a0e0d240d63ae7d0f40e897e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce65ab103a838049368851414f0ecd8d3a0047c1a0e0d240d63ae7d0f40e897e", kill_on_drop: false }`
[INFO] [stdout] ce65ab103a838049368851414f0ecd8d3a0047c1a0e0d240d63ae7d0f40e897e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd026cb635929d21ab002cdcc9214bc5aa9e2b54ec3432985357bcfbff77604f
[INFO] running `Command { std: "docker" "start" "-a" "bd026cb635929d21ab002cdcc9214bc5aa9e2b54ec3432985357bcfbff77604f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]    --> src/lib.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | mod tests {
[INFO] [stderr]     | ^^^^^^^^^
[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: `byte-sequence` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/byte_sequence-e9e33277587eec7f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::serialize_deserialize ... ok
[INFO] [stdout] test tests::example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests byte-sequence
[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" "bd026cb635929d21ab002cdcc9214bc5aa9e2b54ec3432985357bcfbff77604f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd026cb635929d21ab002cdcc9214bc5aa9e2b54ec3432985357bcfbff77604f", kill_on_drop: false }`
[INFO] [stdout] bd026cb635929d21ab002cdcc9214bc5aa9e2b54ec3432985357bcfbff77604f