[INFO] cloning repository https://github.com/Brendonovich/swift-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Brendonovich/swift-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendonovich%2Fswift-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendonovich%2Fswift-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21f6314213c0c483cb8c6654752827f5fd825cf0
[INFO] testing Brendonovich/swift-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendonovich%2Fswift-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Brendonovich/swift-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Brendonovich/swift-rs
[INFO] finished tweaking git repo https://github.com/Brendonovich/swift-rs
[INFO] tweaked toml for git repo https://github.com/Brendonovich/swift-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Brendonovich/swift-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9d922bedab16b7074a6cbfc5b1514a4c4ac23ef711ae50ab96d07722d286e42
[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" "d9d922bedab16b7074a6cbfc5b1514a4c4ac23ef711ae50ab96d07722d286e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9d922bedab16b7074a6cbfc5b1514a4c4ac23ef711ae50ab96d07722d286e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d922bedab16b7074a6cbfc5b1514a4c4ac23ef711ae50ab96d07722d286e42", kill_on_drop: false }`
[INFO] [stdout] d9d922bedab16b7074a6cbfc5b1514a4c4ac23ef711ae50ab96d07722d286e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de9b2f76eaf10c26d2fbca3cd39367f979a4c8d118278ad875ccb4e35916061
[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" "0de9b2f76eaf10c26d2fbca3cd39367f979a4c8d118278ad875ccb4e35916061", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling swift-rs v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src-rs/types/array.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize, ser::SerializeSeq};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src-rs/types/object.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.93s
[INFO] running `Command { std: "docker" "inspect" "0de9b2f76eaf10c26d2fbca3cd39367f979a4c8d118278ad875ccb4e35916061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de9b2f76eaf10c26d2fbca3cd39367f979a4c8d118278ad875ccb4e35916061", kill_on_drop: false }`
[INFO] [stdout] 0de9b2f76eaf10c26d2fbca3cd39367f979a4c8d118278ad875ccb4e35916061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c4512b358ab6551af56b38037f6bed7317ab81fe0f2e1316ad43c824833d6fd
[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" "7c4512b358ab6551af56b38037f6bed7317ab81fe0f2e1316ad43c824833d6fd", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src-rs/types/array.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize, ser::SerializeSeq};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src-rs/types/object.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling swift-rs v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src-rs/types/array.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize, ser::SerializeSeq};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src-rs/types/object.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "7c4512b358ab6551af56b38037f6bed7317ab81fe0f2e1316ad43c824833d6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4512b358ab6551af56b38037f6bed7317ab81fe0f2e1316ad43c824833d6fd", kill_on_drop: false }`
[INFO] [stdout] 7c4512b358ab6551af56b38037f6bed7317ab81fe0f2e1316ad43c824833d6fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88ec9a7531b52d5809e832eaa2866d85a16565cd2b05951ed3716e6a759da66a
[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" "88ec9a7531b52d5809e832eaa2866d85a16565cd2b05951ed3716e6a759da66a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src-rs/types/array.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize, ser::SerializeSeq};
[INFO] [stderr]   |             ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src-rs/types/object.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize, Serializer};
[INFO] [stderr]   |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `swift-rs` (lib) generated 2 warnings
[INFO] [stderr] warning: `swift-rs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/swift_rs-ed9c8933093bc48b)
[INFO] [stderr]    Doc-tests swift-rs
[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] [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" "88ec9a7531b52d5809e832eaa2866d85a16565cd2b05951ed3716e6a759da66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ec9a7531b52d5809e832eaa2866d85a16565cd2b05951ed3716e6a759da66a", kill_on_drop: false }`
[INFO] [stdout] 88ec9a7531b52d5809e832eaa2866d85a16565cd2b05951ed3716e6a759da66a