[INFO] fetching crate rpc-lib 0.3.0...
[INFO] checking rpc-lib-0.3.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate rpc-lib 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rpc-lib 0.3.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpc-lib 0.3.0
[INFO] finished tweaking crates.io crate rpc-lib 0.3.0
[INFO] tweaked toml for crates.io crate rpc-lib 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edb0d34aff73d4b0405a762609d2d2ce23036ac454c49e4816242d17098c354f
[INFO] running `Command { std: "docker" "start" "-a" "edb0d34aff73d4b0405a762609d2d2ce23036ac454c49e4816242d17098c354f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edb0d34aff73d4b0405a762609d2d2ce23036ac454c49e4816242d17098c354f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb0d34aff73d4b0405a762609d2d2ce23036ac454c49e4816242d17098c354f", kill_on_drop: false }`
[INFO] [stdout] edb0d34aff73d4b0405a762609d2d2ce23036ac454c49e4816242d17098c354f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a513c246831a8e33a38447257c5f8b3ace934715723d83837cf78758b715ef00
[INFO] running `Command { std: "docker" "start" "-a" "a513c246831a8e33a38447257c5f8b3ace934715723d83837cf78758b715ef00", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.69
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking openssl v0.10.63
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.113
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[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking rpc-lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/client.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 97  | struct Response<T> {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     id: String,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/client.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 97  | struct Response<T> {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     id: String,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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] [stdout] warning: fields `id`, `url`, and `enabled` are never read
[INFO] [stdout]   --> examples/basic.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Project {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 17 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 18 |     url: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     enabled: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Project` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "a513c246831a8e33a38447257c5f8b3ace934715723d83837cf78758b715ef00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a513c246831a8e33a38447257c5f8b3ace934715723d83837cf78758b715ef00", kill_on_drop: false }`
[INFO] [stdout] a513c246831a8e33a38447257c5f8b3ace934715723d83837cf78758b715ef00
