[INFO] fetching crate from 0.0.2... [INFO] checking from-0.0.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate from 0.0.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate from 0.0.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate from 0.0.2 [INFO] finished tweaking crates.io crate from 0.0.2 [INFO] tweaked toml for crates.io crate from 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2a57bb552a06bcc7cf7fc58e873a888a733cc4c283350afea8000eb43e890820 [INFO] running `Command { std: "docker" "start" "-a" "2a57bb552a06bcc7cf7fc58e873a888a733cc4c283350afea8000eb43e890820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a57bb552a06bcc7cf7fc58e873a888a733cc4c283350afea8000eb43e890820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a57bb552a06bcc7cf7fc58e873a888a733cc4c283350afea8000eb43e890820", kill_on_drop: false }` [INFO] [stdout] 2a57bb552a06bcc7cf7fc58e873a888a733cc4c283350afea8000eb43e890820 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 890792c226332ebaba64745a0bc20a045b1b63da1ac52ef26a963b2875e346ce [INFO] running `Command { std: "docker" "start" "-a" "890792c226332ebaba64745a0bc20a045b1b63da1ac52ef26a963b2875e346ce", kill_on_drop: false }` [INFO] [stderr] Checking from v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | fn from(I) -> Self; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: I` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(anonymous_parameters)]` implied by `#[deny(warnings)]` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | fn from(I) -> Self; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: I` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(anonymous_parameters)]` implied by `#[deny(warnings)]` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for reference `&'a String` in the current scope [INFO] [stdout] --> src/lib.rs:25:43 [INFO] [stdout] | [INFO] [stdout] 25 | fn from(x: &'a String) -> &'a str { x.as_slice() } [INFO] [stdout] | ^^^^^^^^ method not found in `&'a String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for reference `&'a String` in the current scope [INFO] [stdout] --> src/lib.rs:25:43 [INFO] [stdout] | [INFO] [stdout] 25 | fn from(x: &'a String) -> &'a str { x.as_slice() } [INFO] [stdout] | ^^^^^^^^ method not found in `&'a String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `into_string` found for reference `&'a str` in the current scope [INFO] [stdout] --> src/lib.rs:29:39 [INFO] [stdout] | [INFO] [stdout] 29 | fn from(x: &'a str) -> String { x.into_string() } [INFO] [stdout] | ^^^^^^^^^^^ method not found in `&'a str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `into_string` found for reference `&'a str` in the current scope [INFO] [stdout] --> src/lib.rs:29:39 [INFO] [stdout] | [INFO] [stdout] 29 | fn from(x: &'a str) -> String { x.into_string() } [INFO] [stdout] | ^^^^^^^^^^^ method not found in `&'a str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `from` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "890792c226332ebaba64745a0bc20a045b1b63da1ac52ef26a963b2875e346ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "890792c226332ebaba64745a0bc20a045b1b63da1ac52ef26a963b2875e346ce", kill_on_drop: false }` [INFO] [stdout] 890792c226332ebaba64745a0bc20a045b1b63da1ac52ef26a963b2875e346ce