[INFO] crate snowchains 0.2.0 is already in cache [INFO] extracting crate snowchains 0.2.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/snowchains/0.2.0 [INFO] extracting crate snowchains 0.2.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/snowchains/0.2.0 [INFO] validating manifest of snowchains-0.2.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of snowchains-0.2.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing snowchains-0.2.0 [INFO] finished frobbing snowchains-0.2.0 [INFO] frobbed toml for snowchains-0.2.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/snowchains/0.2.0/Cargo.toml [INFO] started frobbing snowchains-0.2.0 [INFO] finished frobbing snowchains-0.2.0 [INFO] frobbed toml for snowchains-0.2.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/snowchains/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking snowchains-0.2.0 against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/snowchains/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 30498bd4588d6efb4b947d3198c24de128f0ff2ac5c833e296db40d24a8cf7bf [INFO] running `"docker" "start" "-a" "30498bd4588d6efb4b947d3198c24de128f0ff2ac5c833e296db40d24a8cf7bf"` [INFO] [stderr] Compiling ascii v0.9.2 [INFO] [stderr] Compiling if_chain v0.1.3 [INFO] [stderr] Checking strum v0.13.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Checking rpassword v2.1.0 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking cookie v0.11.1 [INFO] [stderr] Checking sct v0.5.0 [INFO] [stderr] Checking robots_txt v0.6.0 [INFO] [stderr] Compiling headers-derive v0.1.0 [INFO] [stderr] Compiling derive-new v0.5.7 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling strum_macros v0.13.0 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking webpki-roots v0.16.0 [INFO] [stderr] Checking rustls v0.15.2 [INFO] [stderr] Checking ct-logs v0.5.1 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking tungstenite v0.8.1 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Checking bincode v1.1.4 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking serde_yaml v0.8.9 [INFO] [stderr] Checking headers v0.2.1 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking tokio-rustls v0.9.3 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking string_cache v0.7.3 [INFO] [stderr] Compiling markup5ever v0.8.1 [INFO] [stderr] Checking hyper-rustls v0.16.1 [INFO] [stderr] Checking warp v0.1.17 [INFO] [stderr] Checking tokio-process v0.2.4 [INFO] [stderr] Checking reqwest v0.9.18 [INFO] [stderr] Checking html5ever v0.23.0 [INFO] [stderr] Checking toml_edit v0.1.4 [INFO] [stderr] Checking select v0.4.3 [INFO] [stderr] Compiling snowchains_proc_macros v0.1.0 [INFO] [stderr] Checking snowchains v0.2.0 (/opt/crater/workdir) [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/service/codeforces.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 31 | use serde::{Deserialize, Deserializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 32 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/service/codeforces.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 31 | use serde::{Deserialize, Deserializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 32 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/service/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 28 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 29 | use serde_derive::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] --> src/service/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] 28 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 29 | use serde_derive::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/testsuite.rs:19:33 [INFO] [stderr] | [INFO] [stderr] 18 | use serde::Serialize; [INFO] [stderr] | ---------------- previous import of the macro `Serialize` here [INFO] [stderr] 19 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/testsuite.rs:19:33 [INFO] [stderr] | [INFO] [stderr] 18 | use serde::Serialize; [INFO] [stderr] | ---------------- previous import of the macro `Serialize` here [INFO] [stderr] 19 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/config.rs:17:20 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/config.rs:17:33 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/config.rs:17:20 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/config.rs:17:33 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/template.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 17 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/template.rs:18:33 [INFO] [stderr] | [INFO] [stderr] 17 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/template.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 17 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/template.rs:18:33 [INFO] [stderr] | [INFO] [stderr] 17 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] warning: unused import: `Deserialize` [INFO] [stderr] --> src/service/codeforces.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 32 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive::Serialize` [INFO] [stderr] --> src/service/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use serde_derive::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Serialize` [INFO] [stderr] --> src/testsuite.rs:19:33 [INFO] [stderr] | [INFO] [stderr] 19 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/config.rs:17:20 [INFO] [stderr] | [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/template.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Deserialize` [INFO] [stderr] --> src/service/codeforces.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 32 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive::Serialize` [INFO] [stderr] --> src/service/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use serde_derive::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Serialize` [INFO] [stderr] --> src/testsuite.rs:19:33 [INFO] [stderr] | [INFO] [stderr] 19 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/config.rs:17:20 [INFO] [stderr] | [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/template.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0252`. [INFO] [stderr] error: Could not compile `snowchains`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0252`. [INFO] [stderr] error: Could not compile `snowchains`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "30498bd4588d6efb4b947d3198c24de128f0ff2ac5c833e296db40d24a8cf7bf"` [INFO] running `"docker" "rm" "-f" "30498bd4588d6efb4b947d3198c24de128f0ff2ac5c833e296db40d24a8cf7bf"` [INFO] [stdout] 30498bd4588d6efb4b947d3198c24de128f0ff2ac5c833e296db40d24a8cf7bf