[INFO] fetching crate webdesserts-confy 1.0.0... [INFO] testing webdesserts-confy-1.0.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate webdesserts-confy 1.0.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate webdesserts-confy 1.0.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate webdesserts-confy 1.0.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate webdesserts-confy 1.0.0 [INFO] tweaked toml for crates.io crate webdesserts-confy 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate webdesserts-confy 1.0.0 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1c8025c58c91fa5dd6a3c2dad307062c1e9c3475965d27ad1378c6fbdc42cea7 [INFO] running `"docker" "start" "-a" "1c8025c58c91fa5dd6a3c2dad307062c1e9c3475965d27ad1378c6fbdc42cea7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling directories v0.10.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling backtrace v0.3.44 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling webdesserts-confy v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.11s [INFO] running `"docker" "inspect" "1c8025c58c91fa5dd6a3c2dad307062c1e9c3475965d27ad1378c6fbdc42cea7"` [INFO] running `"docker" "rm" "-f" "1c8025c58c91fa5dd6a3c2dad307062c1e9c3475965d27ad1378c6fbdc42cea7"` [INFO] [stdout] 1c8025c58c91fa5dd6a3c2dad307062c1e9c3475965d27ad1378c6fbdc42cea7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f18798ab704f0575d3dadc9b9a938e7a4b53734ed60848b05fd6120881ab5574 [INFO] running `"docker" "start" "-a" "f18798ab704f0575d3dadc9b9a938e7a4b53734ed60848b05fd6120881ab5574"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling webdesserts-confy v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `"docker" "inspect" "f18798ab704f0575d3dadc9b9a938e7a4b53734ed60848b05fd6120881ab5574"` [INFO] running `"docker" "rm" "-f" "f18798ab704f0575d3dadc9b9a938e7a4b53734ed60848b05fd6120881ab5574"` [INFO] [stdout] f18798ab704f0575d3dadc9b9a938e7a4b53734ed60848b05fd6120881ab5574 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c902fb71caccf446e551d2f7ef243dfb1b01db6946a5cbf983304370f207f334 [INFO] running `"docker" "start" "-a" "c902fb71caccf446e551d2f7ef243dfb1b01db6946a5cbf983304370f207f334"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/webdesserts_confy-ddb3ae27fc44ff2c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests webdesserts-confy [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 39) ... FAILED [INFO] [stdout] test src/lib.rs - store (line 171) ... FAILED [INFO] [stdout] test src/lib.rs - load (line 128) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 39) stdout ---- [INFO] [stdout] error: cannot find derive macro `Serialize` in this scope [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Serialize, Deserialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope [INFO] [stdout] --> src/lib.rs:40:21 [INFO] [stdout] | [INFO] [stdout] 2 | #[derive(Serialize, Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `confy` [INFO] [stdout] --> src/lib.rs:52:15 [INFO] [stdout] | [INFO] [stdout] 14 | let cfg = confy::load("my-app-name")?; [INFO] [stdout] | ^^^^^ use of undeclared type or module `confy` [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:51:14 [INFO] [stdout] | [INFO] [stdout] 13 | fn main() -> Result<(), ::std::io::Error> { [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::result::Result<(), std::io::Error>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - store (line 171) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `confy` [INFO] [stdout] --> src/lib.rs:174:1 [INFO] [stdout] | [INFO] [stdout] 5 | confy::store(my_cfg)?; [INFO] [stdout] | ^^^^^ use of undeclared type or module `confy` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:174:1 [INFO] [stdout] | [INFO] [stdout] 2 | / fn main() { [INFO] [stdout] 3 | | struct MyConf {} [INFO] [stdout] 4 | | let my_cfg = MyConf {}; [INFO] [stdout] 5 | | confy::store(my_cfg)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 6 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - load (line 128) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `confy` [INFO] [stdout] --> src/lib.rs:133:21 [INFO] [stdout] | [INFO] [stdout] 7 | let cfg: MyConfig = confy::load("my-app")?; [INFO] [stdout] | ^^^^^ use of undeclared type or module `confy` [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `MyConf` in this scope [INFO] [stdout] --> src/lib.rs:130:34 [INFO] [stdout] | [INFO] [stdout] 3 | struct MyConfig {} [INFO] [stdout] | --------------- similarly named struct `MyConfig` defined here [INFO] [stdout] 4 | impl ::std::default::Default for MyConf { [INFO] [stdout] | ^^^^^^ help: a struct with a similar name exists: `MyConfig` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:133:21 [INFO] [stdout] | [INFO] [stdout] 2 | / fn main() { [INFO] [stdout] 3 | | struct MyConfig {} [INFO] [stdout] 4 | | impl ::std::default::Default for MyConf { [INFO] [stdout] 5 | | fn default() -> Self { Self {} } [INFO] [stdout] 6 | | } [INFO] [stdout] 7 | | let cfg: MyConfig = confy::load("my-app")?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 8 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0071]: expected struct, variant or union type, found type error [INFO] [stdout] --> src/lib.rs:131:28 [INFO] [stdout] | [INFO] [stdout] 5 | fn default() -> Self { Self {} } [INFO] [stdout] | ^^^^ not a struct [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0071, E0277, E0412, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0071`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 39) [INFO] [stdout] src/lib.rs - load (line 128) [INFO] [stdout] src/lib.rs - store (line 171) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "c902fb71caccf446e551d2f7ef243dfb1b01db6946a5cbf983304370f207f334"` [INFO] running `"docker" "rm" "-f" "c902fb71caccf446e551d2f7ef243dfb1b01db6946a5cbf983304370f207f334"` [INFO] [stdout] c902fb71caccf446e551d2f7ef243dfb1b01db6946a5cbf983304370f207f334