[INFO] cloning repository https://github.com/krishnakumar4a4/casync-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishnakumar4a4/casync-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fcasync-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fcasync-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15b2a6d15df1401e389e467bce4dabd64e4efe18
[INFO] checking krishnakumar4a4/casync-rs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fcasync-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krishnakumar4a4/casync-rs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krishnakumar4a4/casync-rs
[INFO] finished tweaking git repo https://github.com/krishnakumar4a4/casync-rs
[INFO] tweaked toml for git repo https://github.com/krishnakumar4a4/casync-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/krishnakumar4a4/casync-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blob v0.2.0
[INFO] [stderr]   Downloaded hyper v0.12.13
[INFO] [stderr]   Downloaded zstd-safe v1.4.4+zstd.1.3.5
[INFO] [stderr]   Downloaded zstd v0.4.19+zstd.1.3.5
[INFO] [stderr]   Downloaded zstd-sys v1.4.4+zstd.1.3.5
[INFO] [stderr]   Downloaded hash-roll v0.2.0
[INFO] [stderr]   Downloaded fmt-extra v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9699c721349f2d22a4c11916ab221b91c61e2b886ce87e81a2ac0cd377be85c8
[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" "9699c721349f2d22a4c11916ab221b91c61e2b886ce87e81a2ac0cd377be85c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9699c721349f2d22a4c11916ab221b91c61e2b886ce87e81a2ac0cd377be85c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9699c721349f2d22a4c11916ab221b91c61e2b886ce87e81a2ac0cd377be85c8", kill_on_drop: false }`
[INFO] [stdout] 9699c721349f2d22a4c11916ab221b91c61e2b886ce87e81a2ac0cd377be85c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d98e5dfe14df9d2713e16f74ce9dda03ca4f1b38660a59b9d76e4c8f97a616f
[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" "8d98e5dfe14df9d2713e16f74ce9dda03ca4f1b38660a59b9d76e4c8f97a616f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking fmt-extra v0.1.2
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking hash-roll v0.2.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking hyper v0.12.13
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]    Compiling blob v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]    Compiling zstd-sys v1.4.4+zstd.1.3.5
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]     Checking zstd-safe v1.4.4+zstd.1.3.5
[INFO] [stderr]     Checking zstd v0.4.19+zstd.1.3.5
[INFO] [stderr]     Checking casync-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/assembler/mod.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             (parsed_url.scheme() == "https" || parsed_url.scheme() == "http")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/assembler/mod.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             (parsed_url.scheme() == "https" || parsed_url.scheme() == "http")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut chunker_config = ChunkerConfig::new(index_file, store_dir, io_file);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut chunker_config = ChunkerConfig::new(index_file, store_dir, io_file);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 1m 14s
[INFO] running `Command { std: "docker" "inspect" "8d98e5dfe14df9d2713e16f74ce9dda03ca4f1b38660a59b9d76e4c8f97a616f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d98e5dfe14df9d2713e16f74ce9dda03ca4f1b38660a59b9d76e4c8f97a616f", kill_on_drop: false }`
[INFO] [stdout] 8d98e5dfe14df9d2713e16f74ce9dda03ca4f1b38660a59b9d76e4c8f97a616f