[INFO] fetching crate ankiconnect 0.2.0...
[INFO] checking ankiconnect-0.2.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate ankiconnect 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ankiconnect 0.2.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ankiconnect 0.2.0
[INFO] finished tweaking crates.io crate ankiconnect 0.2.0
[INFO] tweaked toml for crates.io crate ankiconnect 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding rustls v0.22.4 (latest: v0.23.5)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd8f9910fdf81f9403a4a6d1cfd25fcf25bd695d5b4c05021e38baa1d8b438de
[INFO] running `Command { std: "docker" "start" "-a" "bd8f9910fdf81f9403a4a6d1cfd25fcf25bd695d5b4c05021e38baa1d8b438de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8f9910fdf81f9403a4a6d1cfd25fcf25bd695d5b4c05021e38baa1d8b438de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8f9910fdf81f9403a4a6d1cfd25fcf25bd695d5b4c05021e38baa1d8b438de", kill_on_drop: false }`
[INFO] [stdout] bd8f9910fdf81f9403a4a6d1cfd25fcf25bd695d5b4c05021e38baa1d8b438de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02c2891a8019c249a92e5e7e54a66e4eaa8c1a969ab368933b94e7b94f54f29
[INFO] running `Command { std: "docker" "start" "-a" "e02c2891a8019c249a92e5e7e54a66e4eaa8c1a969ab368933b94e7b94f54f29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rustls-pki-types v1.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]     Checking rustls-webpki v0.102.3
[INFO] [stderr]     Checking serde v1.0.200
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]     Checking ureq v2.9.7
[INFO] [stderr]     Checking ankiconnect v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/requests/create_deck.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CreateDeckResponse(DeckId);
[INFO] [stdout]    |            ------------------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CreateDeckResponse` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CreateDeckResponse(());
[INFO] [stdout]    |                               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/requests/create_deck.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CreateDeckResponse(DeckId);
[INFO] [stdout]    |            ------------------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CreateDeckResponse` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CreateDeckResponse(());
[INFO] [stdout]    |                               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "e02c2891a8019c249a92e5e7e54a66e4eaa8c1a969ab368933b94e7b94f54f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02c2891a8019c249a92e5e7e54a66e4eaa8c1a969ab368933b94e7b94f54f29", kill_on_drop: false }`
[INFO] [stdout] e02c2891a8019c249a92e5e7e54a66e4eaa8c1a969ab368933b94e7b94f54f29
