[INFO] cloning repository https://github.com/brian-dawn/rust-nix-flake-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brian-dawn/rust-nix-flake-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Frust-nix-flake-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Frust-nix-flake-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 136896cb2dd0e437586088bb8964e67236f12a08
[INFO] testing brian-dawn/rust-nix-flake-example against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-dawn%2Frust-nix-flake-example" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brian-dawn/rust-nix-flake-example on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brian-dawn/rust-nix-flake-example
[INFO] finished tweaking git repo https://github.com/brian-dawn/rust-nix-flake-example
[INFO] tweaked toml for git repo https://github.com/brian-dawn/rust-nix-flake-example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/brian-dawn/rust-nix-flake-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/awslabs/aws-sdk-rust`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aa40131ddd3a1e0aafe143c08413a48aafe878b8b049e44ae25289b71244722
[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" "6aa40131ddd3a1e0aafe143c08413a48aafe878b8b049e44ae25289b71244722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aa40131ddd3a1e0aafe143c08413a48aafe878b8b049e44ae25289b71244722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa40131ddd3a1e0aafe143c08413a48aafe878b8b049e44ae25289b71244722", kill_on_drop: false }`
[INFO] [stdout] 6aa40131ddd3a1e0aafe143c08413a48aafe878b8b049e44ae25289b71244722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b04605e4faad080f10a415583d48c3d11cc71d058cf189fc7305560a7bc763e3
[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" "b04605e4faad080f10a415583d48c3d11cc71d058cf189fc7305560a7bc763e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling zeroize v1.4.2
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling urlencoding v1.3.3
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling tracing-core v0.1.20
[INFO] [stderr]    Compiling bytes-utils v0.1.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aws-types v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling smithy-types v0.0.1 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling ct-logs v0.8.0
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling smithy-eventstream v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling smithy-query v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling smithy-json v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tracing v0.1.28
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling smithy-xml v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-sigv4 v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling smithy-async v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling tower v0.4.8
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling hyper v0.14.13
[INFO] [stderr]    Compiling smithy-http v0.0.1 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling smithy-http-tower v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-auth v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-endpoint v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-http v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-sig-auth v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling smithy-client v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-hyper v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-sdk-sts v0.0.19-alpha (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-sdk-s3 v0.0.19-alpha (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling aws-config v0.1.0 (https://github.com/awslabs/aws-sdk-rust?tag=v0.0.19-alpha#74bae11a)
[INFO] [stderr]    Compiling rust-aws-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let size = contents.len();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `Command { std: "docker" "inspect" "b04605e4faad080f10a415583d48c3d11cc71d058cf189fc7305560a7bc763e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04605e4faad080f10a415583d48c3d11cc71d058cf189fc7305560a7bc763e3", kill_on_drop: false }`
[INFO] [stdout] b04605e4faad080f10a415583d48c3d11cc71d058cf189fc7305560a7bc763e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--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] 4809af7c2ebbcf3fcf2758b3010d492493835442349617929bac1f374f8893a3
[INFO] running `Command { std: "docker" "start" "-a" "4809af7c2ebbcf3fcf2758b3010d492493835442349617929bac1f374f8893a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-aws-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let size = contents.len();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "4809af7c2ebbcf3fcf2758b3010d492493835442349617929bac1f374f8893a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4809af7c2ebbcf3fcf2758b3010d492493835442349617929bac1f374f8893a3", kill_on_drop: false }`
[INFO] [stdout] 4809af7c2ebbcf3fcf2758b3010d492493835442349617929bac1f374f8893a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-02-22" "test" "--frozen", 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] b368d9302e2e0c42a4f31a83d9f1821df995207c89898658422ebba2860d2183
[INFO] running `Command { std: "docker" "start" "-a" "b368d9302e2e0c42a4f31a83d9f1821df995207c89898658422ebba2860d2183", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let size = contents.len();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-aws-playground` (bin "rust-aws-playground" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_aws_playground-8bc00493fa05a7e2)
[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" "b368d9302e2e0c42a4f31a83d9f1821df995207c89898658422ebba2860d2183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b368d9302e2e0c42a4f31a83d9f1821df995207c89898658422ebba2860d2183", kill_on_drop: false }`
[INFO] [stdout] b368d9302e2e0c42a4f31a83d9f1821df995207c89898658422ebba2860d2183