[INFO] fetching crate wxf-converter 0.3.0... [INFO] testing wxf-converter-0.3.0 against 1.59.0 for beta-1.60-1 [INFO] extracting crate wxf-converter 0.3.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate wxf-converter 0.3.0 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wxf-converter 0.3.0 [INFO] finished tweaking crates.io crate wxf-converter 0.3.0 [INFO] tweaked toml for crates.io crate wxf-converter 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate wxf-converter 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde-pickle v0.6.0 [INFO] [stderr] Downloaded iter-read v0.2.1 [INFO] [stderr] Downloaded wolfram_wxf v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23ac4aa1097a0652946851c546151f0f6cdbbd1a320d362e2005de7e75a42d5d [INFO] running `Command { std: "docker" "start" "-a" "23ac4aa1097a0652946851c546151f0f6cdbbd1a320d362e2005de7e75a42d5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23ac4aa1097a0652946851c546151f0f6cdbbd1a320d362e2005de7e75a42d5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23ac4aa1097a0652946851c546151f0f6cdbbd1a320d362e2005de7e75a42d5d", kill_on_drop: false }` [INFO] [stdout] 23ac4aa1097a0652946851c546151f0f6cdbbd1a320d362e2005de7e75a42d5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5c626b6fd137e2c5085638133753cedbaaddf7cdc9ab02d433a3ec65ef26e1e [INFO] running `Command { std: "docker" "start" "-a" "a5c626b6fd137e2c5085638133753cedbaaddf7cdc9ab02d433a3ec65ef26e1e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling iter-read v0.2.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling miniz_oxide v0.3.6 [INFO] [stderr] Compiling yaml-rust v0.4.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling clap v2.27.1 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling serde-pickle v0.6.0 [INFO] [stderr] Compiling wolfram_wxf v0.2.2 [INFO] [stderr] Compiling wxf-converter v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/utils.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | impl From for Error { [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option` [INFO] [stdout] --> src/utils.rs:47:29 [INFO] [stdout] | [INFO] [stdout] 47 | fn from(_: std::option::NoneError) -> Self { [INFO] [stdout] | ^^^^^^^^^ not found in `std::option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result` [INFO] [stdout] --> src/utils.rs:13:39 [INFO] [stdout] | [INFO] [stdout] 9 | / pub fn parse_file(path: &str, format: Option<&str>) -> Result { [INFO] [stdout] 10 | | let s = fs::read_to_string(path)?; [INFO] [stdout] 11 | | let suffix = match format { [INFO] [stdout] 12 | | Some(s) => s, [INFO] [stdout] 13 | | None => path.split('/').last()?.split('.').last()?, [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `Result` [INFO] [stdout] ... | [INFO] [stdout] 26 | | } [INFO] [stdout] 27 | | } [INFO] [stdout] | |_- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result` [INFO] [stdout] --> src/utils.rs:13:58 [INFO] [stdout] | [INFO] [stdout] 9 | / pub fn parse_file(path: &str, format: Option<&str>) -> Result { [INFO] [stdout] 10 | | let s = fs::read_to_string(path)?; [INFO] [stdout] 11 | | let suffix = match format { [INFO] [stdout] 12 | | Some(s) => s, [INFO] [stdout] 13 | | None => path.split('/').last()?.split('.').last()?, [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `Result` [INFO] [stdout] ... | [INFO] [stdout] 26 | | } [INFO] [stdout] 27 | | } [INFO] [stdout] | |_- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0412. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `wxf-converter` due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "a5c626b6fd137e2c5085638133753cedbaaddf7cdc9ab02d433a3ec65ef26e1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5c626b6fd137e2c5085638133753cedbaaddf7cdc9ab02d433a3ec65ef26e1e", kill_on_drop: false }` [INFO] [stdout] a5c626b6fd137e2c5085638133753cedbaaddf7cdc9ab02d433a3ec65ef26e1e