[INFO] fetching crate openrtb 0.2.1... [INFO] checking openrtb-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate openrtb 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate openrtb 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate openrtb 0.2.1 [INFO] finished tweaking crates.io crate openrtb 0.2.1 [INFO] tweaked toml for crates.io crate openrtb 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate openrtb 0.2.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded siphasher v0.3.9 [INFO] [stderr] Downloaded futures-io v0.3.19 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.29 [INFO] [stderr] Downloaded serde_json v1.0.78 [INFO] [stderr] Downloaded libc v0.2.115 [INFO] [stderr] Downloaded encoding_rs v0.8.30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79760633832b8e381386a14fcf6cdbbb9bb1a2d61e555da89941039f76c44c1d [INFO] running `Command { std: "docker" "start" "-a" "79760633832b8e381386a14fcf6cdbbb9bb1a2d61e555da89941039f76c44c1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79760633832b8e381386a14fcf6cdbbb9bb1a2d61e555da89941039f76c44c1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79760633832b8e381386a14fcf6cdbbb9bb1a2d61e555da89941039f76c44c1d", kill_on_drop: false }` [INFO] [stdout] 79760633832b8e381386a14fcf6cdbbb9bb1a2d61e555da89941039f76c44c1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62c419eac43d16341d6ec3ba0e03d3a1aa5348248605192c678635ff781feda7 [INFO] running `Command { std: "docker" "start" "-a" "62c419eac43d16341d6ec3ba0e03d3a1aa5348248605192c678635ff781feda7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.115 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling siphasher v0.3.9 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking openrtb v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/serde_utils.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate serde; [INFO] [stdout] | ------------------- the item `serde` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/serde_utils.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/v2_5/bid_request.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate serde; [INFO] [stdout] | ------------------- the item `serde` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/v2_5/category.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate serde; [INFO] [stdout] | ------------------- the item `serde` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/v2_5/mod.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | pub use self::ad_position::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ the name `IntoEnumError` in the type namespace is first re-exported here [INFO] [stdout] ... [INFO] [stdout] 40 | pub use self::banner_ad_type::*; [INFO] [stdout] | ----------------------- but the name `IntoEnumError` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/serde_utils.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate serde; [INFO] [stdout] | ------------------- the item `serde` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/serde_utils.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/ad_position.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/app.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/banner_ad_type.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/v2_5/bid_request.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate serde; [INFO] [stdout] | ------------------- the item `serde` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/bid_request.rs:229:9 [INFO] [stdout] | [INFO] [stdout] 229 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/bid_response.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/v2_5/category.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate serde; [INFO] [stdout] | ------------------- the item `serde` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/category.rs:510:9 [INFO] [stdout] | [INFO] [stdout] 510 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/format.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/imp.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/regulations.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/v2_5/source.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/v2_5/mod.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | pub use self::ad_position::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ the name `IntoEnumError` in the type namespace is first re-exported here [INFO] [stdout] ... [INFO] [stdout] 40 | pub use self::banner_ad_type::*; [INFO] [stdout] | ----------------------- but the name `IntoEnumError` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.17s [INFO] running `Command { std: "docker" "inspect" "62c419eac43d16341d6ec3ba0e03d3a1aa5348248605192c678635ff781feda7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62c419eac43d16341d6ec3ba0e03d3a1aa5348248605192c678635ff781feda7", kill_on_drop: false }` [INFO] [stdout] 62c419eac43d16341d6ec3ba0e03d3a1aa5348248605192c678635ff781feda7