[INFO] cloning repository https://github.com/avranju/backup-to-blob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avranju/backup-to-blob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fbackup-to-blob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fbackup-to-blob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d751ea1189123a427ee2f954cf997c86b979acdb
[INFO] checking avranju/backup-to-blob against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fbackup-to-blob" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/avranju/backup-to-blob
[INFO] finished tweaking git repo https://github.com/avranju/backup-to-blob
[INFO] tweaked toml for git repo https://github.com/avranju/backup-to-blob written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/avranju/backup-to-blob on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/avranju/backup-to-blob already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xz2 v0.1.6
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[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded xml-rs v0.8.14
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.16
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded azure_sdk_for_rust v0.12.0
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded syn v1.0.6
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded lzma-sys v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f98e91c8eb7a07d4dec54878bd08f76525f378eb6365be44bfa5bf07688bf9ce
[INFO] running `Command { std: "docker" "start" "-a" "f98e91c8eb7a07d4dec54878bd08f76525f378eb6365be44bfa5bf07688bf9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f98e91c8eb7a07d4dec54878bd08f76525f378eb6365be44bfa5bf07688bf9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98e91c8eb7a07d4dec54878bd08f76525f378eb6365be44bfa5bf07688bf9ce", kill_on_drop: false }`
[INFO] [stdout] f98e91c8eb7a07d4dec54878bd08f76525f378eb6365be44bfa5bf07688bf9ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7c9323c2499c14f0177dacdf087b94bdb34b6d0e6497cf346aa713262d2ee28
[INFO] running `Command { std: "docker" "start" "-a" "d7c9323c2499c14f0177dacdf087b94bdb34b6d0e6497cf346aa713262d2ee28", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking iovec v0.1.4
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[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking untrusted v0.6.2
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[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]     Checking aho-corasick v0.7.18
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[INFO] [stderr]     Checking sct v0.5.0
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[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.3
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[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking xml-rs v0.8.14
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking xattr v1.6.1
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking RustyXML v0.1.1
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking tar v0.4.45
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking azure_sdk_for_rust v0.12.0
[INFO] [stderr]     Checking backup-to-blob v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `account`, `key`, and `container` are never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct AzureStorageOpt {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 11 |     #[structopt(short, long)]
[INFO] [stdout] 12 |     account: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     container: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AzureStorageOpt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage` is never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     storage: AzureStorageOpt,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `account`, `key`, and `container` are never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct AzureStorageOpt {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 11 |     #[structopt(short, long)]
[INFO] [stdout] 12 |     account: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     container: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AzureStorageOpt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `storage` is never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     storage: AzureStorageOpt,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.26s
[INFO] running `Command { std: "docker" "inspect" "d7c9323c2499c14f0177dacdf087b94bdb34b6d0e6497cf346aa713262d2ee28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c9323c2499c14f0177dacdf087b94bdb34b6d0e6497cf346aa713262d2ee28", kill_on_drop: false }`
[INFO] [stdout] d7c9323c2499c14f0177dacdf087b94bdb34b6d0e6497cf346aa713262d2ee28