[INFO] fetching crate from 0.0.2...
[INFO] testing from-0.0.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate from 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate from 0.0.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-08-01" "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] 804450f62461bd61734102212d342dbe54db21f5aef6de59fde504525f95d421
[INFO] running `Command { std: "docker" "start" "-a" "804450f62461bd61734102212d342dbe54db21f5aef6de59fde504525f95d421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804450f62461bd61734102212d342dbe54db21f5aef6de59fde504525f95d421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804450f62461bd61734102212d342dbe54db21f5aef6de59fde504525f95d421", kill_on_drop: false }`
[INFO] [stdout] 804450f62461bd61734102212d342dbe54db21f5aef6de59fde504525f95d421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--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] ad5d7d3a99413c15542e9157a9cf7799f35fa7e711b51f0c89b5c14f2de6aaf6
[INFO] running `Command { std: "docker" "start" "-a" "ad5d7d3a99413c15542e9157a9cf7799f35fa7e711b51f0c89b5c14f2de6aaf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling from v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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: `#[warn(anonymous_parameters)]` implied by `#[warn(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 <https://github.com/rust-lang/rust/issues/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 `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 2 previous errors; 1 warning emitted
[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` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ad5d7d3a99413c15542e9157a9cf7799f35fa7e711b51f0c89b5c14f2de6aaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5d7d3a99413c15542e9157a9cf7799f35fa7e711b51f0c89b5c14f2de6aaf6", kill_on_drop: false }`
[INFO] [stdout] ad5d7d3a99413c15542e9157a9cf7799f35fa7e711b51f0c89b5c14f2de6aaf6
