[INFO] cloning repository https://github.com/orf/s3-empty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/orf/s3-empty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forf%2Fs3-empty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forf%2Fs3-empty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18b952ee973d470f15097177a1a4475d2eabf34e
[INFO] checking orf/s3-empty against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forf%2Fs3-empty" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orf/s3-empty on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/orf/s3-empty
[INFO] finished tweaking git repo https://github.com/orf/s3-empty
[INFO] tweaked toml for git repo https://github.com/orf/s3-empty written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/orf/s3-empty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] e605368cbf9a517e5bc2d62ff1d47ad397a4d601b0dc3988829eb798c21257b5
[INFO] running `Command { std: "docker" "start" "-a" "e605368cbf9a517e5bc2d62ff1d47ad397a4d601b0dc3988829eb798c21257b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e605368cbf9a517e5bc2d62ff1d47ad397a4d601b0dc3988829eb798c21257b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e605368cbf9a517e5bc2d62ff1d47ad397a4d601b0dc3988829eb798c21257b5", kill_on_drop: false }`
[INFO] [stdout] e605368cbf9a517e5bc2d62ff1d47ad397a4d601b0dc3988829eb798c21257b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caa9b6f76f27b8aa9ea5fe458dcfe0beee9c1d6997d48e56c67a82849d94f124
[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" "caa9b6f76f27b8aa9ea5fe458dcfe0beee9c1d6997d48e56c67a82849d94f124", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]    Compiling libc v0.2.77
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[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
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[INFO] [stderr]    Compiling serde_derive v1.0.116
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling openssl-sys v0.9.58
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[INFO] [stderr]     Checking aho-corasick v0.7.13
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[INFO] [stderr]    Compiling rusoto_core v0.45.0
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[INFO] [stderr]    Compiling heck v0.3.1
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[INFO] [stderr]    Compiling openssl v0.10.30
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[INFO] [stderr]    Compiling tokio-macros v0.2.5
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[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking rusoto_credential v0.45.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking rusoto_signature v0.45.0
[INFO] [stderr]     Checking rusoto_s3 v0.45.0
[INFO] [stderr]     Checking s3-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GetBucketLocationRequest`, `ListObjectsRequest`, `S3`
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rusoto_s3::{S3Client, S3, ListObjectsRequest, GetBucketLocationRequest};
[INFO] [stdout]   |                           ^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GetBucketLocationRequest`, `ListObjectsRequest`, `S3`
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rusoto_s3::{S3Client, S3, ListObjectsRequest, GetBucketLocationRequest};
[INFO] [stdout]   |                           ^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s3_client`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let s3_client = S3Client::new(region);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_s3_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s3_client`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let s3_client = S3Client::new(region);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_s3_client`
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 21s
[INFO] running `Command { std: "docker" "inspect" "caa9b6f76f27b8aa9ea5fe458dcfe0beee9c1d6997d48e56c67a82849d94f124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa9b6f76f27b8aa9ea5fe458dcfe0beee9c1d6997d48e56c67a82849d94f124", kill_on_drop: false }`
[INFO] [stdout] caa9b6f76f27b8aa9ea5fe458dcfe0beee9c1d6997d48e56c67a82849d94f124