[INFO] crate memstream 0.0.1 is already in cache [INFO] testing memstream-0.0.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate memstream 0.0.1 into work/builds/worker-5/source [INFO] validating manifest of crates.io crate memstream 0.0.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate memstream 0.0.1 [INFO] finished tweaking crates.io crate memstream 0.0.1 [INFO] tweaked toml for crates.io crate memstream 0.0.1 written to work/builds/worker-5/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"` [INFO] [stdout] 0c479c1f4fc28c540665123a7fc6d5ef58e79023cf92606768999ddf79edd947 [INFO] running `"docker" "start" "-a" "0c479c1f4fc28c540665123a7fc6d5ef58e79023cf92606768999ddf79edd947"` [INFO] [stderr] Compiling memstream v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unknown lint: `missing_doc` [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(missing_doc)] [INFO] [stderr] | ^^^^^^^^^^^ help: did you mean: `missing_docs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `"docker" "inspect" "0c479c1f4fc28c540665123a7fc6d5ef58e79023cf92606768999ddf79edd947"` [INFO] running `"docker" "rm" "-f" "0c479c1f4fc28c540665123a7fc6d5ef58e79023cf92606768999ddf79edd947"` [INFO] [stdout] 0c479c1f4fc28c540665123a7fc6d5ef58e79023cf92606768999ddf79edd947 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] e4be636c68842d34ceef48929cbe5f2a4b37de5df4207bd7ab86b2a5219e0a53 [INFO] running `"docker" "start" "-a" "e4be636c68842d34ceef48929cbe5f2a4b37de5df4207bd7ab86b2a5219e0a53"` [INFO] [stderr] Compiling memstream v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unknown lint: `missing_doc` [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(missing_doc)] [INFO] [stderr] | ^^^^^^^^^^^ help: did you mean: `missing_docs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'test' [INFO] [stderr] --> src/lib.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | extern crate test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `write` found for type `MemStream` in the current scope [INFO] [stderr] --> src/lib.rs:79:16 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct MemStream { [INFO] [stderr] | -------------------- method `write` not found for this [INFO] [stderr] ... [INFO] [stderr] 79 | stream.write([0, 1, 2, 3]).unwrap(); [INFO] [stderr] | ^^^^^ method not found in `MemStream` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] `use std::io::Write;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `write` found for type `MemStream` in the current scope [INFO] [stderr] --> src/lib.rs:80:16 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct MemStream { [INFO] [stderr] | -------------------- method `write` not found for this [INFO] [stderr] ... [INFO] [stderr] 80 | stream.write([4, 5, 6, 7]).unwrap(); [INFO] [stderr] | ^^^^^ method not found in `MemStream` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] `use std::io::Write;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope [INFO] [stderr] --> src/lib.rs:84:27 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct MemStream { [INFO] [stderr] | -------------------- method `read` not found for this [INFO] [stderr] ... [INFO] [stderr] 84 | assert_eq!(stream.read(buf), Ok(0)); [INFO] [stderr] | ^^^^ method not found in `MemStream` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] `use std::io::Read;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope [INFO] [stderr] --> src/lib.rs:86:27 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct MemStream { [INFO] [stderr] | -------------------- method `read` not found for this [INFO] [stderr] ... [INFO] [stderr] 86 | assert_eq!(stream.read(buf), Ok(1)); [INFO] [stderr] | ^^^^ method not found in `MemStream` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] `use std::io::Read;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_slice` found for type `[{integer}; 1]` in the current scope [INFO] [stderr] --> src/lib.rs:88:24 [INFO] [stderr] | [INFO] [stderr] 88 | assert_eq!(buf.as_slice(), b); [INFO] [stderr] | ^^^^^^^^ method not found in `[{integer}; 1]` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] `use std::array::FixedSizeArray;` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/lib.rs:89:27 [INFO] [stderr] | [INFO] [stderr] 89 | let mut buf = [0, ..4]; [INFO] [stderr] | ^^^ expected integer, found struct `std::ops::RangeTo` [INFO] [stderr] | [INFO] [stderr] = note: expected type `{integer}` [INFO] [stderr] found type `std::ops::RangeTo<{integer}>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope [INFO] [stderr] --> src/lib.rs:90:27 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct MemStream { [INFO] [stderr] | -------------------- method `read` not found for this [INFO] [stderr] ... [INFO] [stderr] 90 | assert_eq!(stream.read(buf), Ok(4)); [INFO] [stderr] | ^^^^ method not found in `MemStream` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] `use std::io::Read;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope [INFO] [stderr] --> src/lib.rs:93:27 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct MemStream { [INFO] [stderr] | -------------------- method `read` not found for this [INFO] [stderr] ... [INFO] [stderr] 93 | assert_eq!(stream.read(buf), Ok(3)); [INFO] [stderr] | ^^^^ method not found in `MemStream` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] `use std::io::Read;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `read` found for type `MemStream` in the current scope [INFO] [stderr] --> src/lib.rs:96:24 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct MemStream { [INFO] [stderr] | -------------------- method `read` not found for this [INFO] [stderr] ... [INFO] [stderr] 96 | assert!(stream.read(buf).is_err()); [INFO] [stderr] | ^^^^ method not found in `MemStream` [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] `use std::io::Read;` [INFO] [stderr] [INFO] [stderr] error: aborting due to 10 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `memstream`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e4be636c68842d34ceef48929cbe5f2a4b37de5df4207bd7ab86b2a5219e0a53"` [INFO] running `"docker" "rm" "-f" "e4be636c68842d34ceef48929cbe5f2a4b37de5df4207bd7ab86b2a5219e0a53"` [INFO] [stdout] e4be636c68842d34ceef48929cbe5f2a4b37de5df4207bd7ab86b2a5219e0a53