[INFO] updating cached repository marcmmiller/rsscm [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/marcmmiller/rsscm [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/marcmmiller/rsscm" "work/ex/beta-1.37-6/sources/1.36.0/gh/marcmmiller/rsscm"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/marcmmiller/rsscm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/marcmmiller/rsscm" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcmmiller/rsscm"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcmmiller/rsscm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 056fb54bceb15d069ab5a5068f6f6db30d13a840 [INFO] sha for GitHub repo marcmmiller/rsscm: 056fb54bceb15d069ab5a5068f6f6db30d13a840 [INFO] validating manifest of marcmmiller/rsscm on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of marcmmiller/rsscm on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing marcmmiller/rsscm [INFO] finished frobbing marcmmiller/rsscm [INFO] frobbed toml for marcmmiller/rsscm written to work/ex/beta-1.37-6/sources/1.36.0/gh/marcmmiller/rsscm/Cargo.toml [INFO] started frobbing marcmmiller/rsscm [INFO] finished frobbing marcmmiller/rsscm [INFO] frobbed toml for marcmmiller/rsscm written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcmmiller/rsscm/Cargo.toml [INFO] crate marcmmiller/rsscm already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing marcmmiller/rsscm against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/marcmmiller/rsscm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] d43f0b17b3d11eecf6cc4be3662e96474e8e27b2930e912a1bf4eb6cd9680ef9 [INFO] running `"docker" "start" "-a" "d43f0b17b3d11eecf6cc4be3662e96474e8e27b2930e912a1bf4eb6cd9680ef9"` [INFO] [stderr] Compiling rsscm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Ref` [INFO] [stderr] --> src/main.rs:2:32 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cell::{Cell, RefCell, Ref, UnsafeCell}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Mutex` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::sync::Mutex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:654:30 [INFO] [stderr] | [INFO] [stderr] 654 | DUMP.with(|c| if (c.get() > 0) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:774:12 [INFO] [stderr] | [INFO] [stderr] 774 | if (self.c.is_none()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:1561:16 [INFO] [stderr] | [INFO] [stderr] 1561 | if (!update) { [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:1675:12 [INFO] [stderr] | [INFO] [stderr] 1675 | if (tail) { [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `::Atom` [INFO] [stderr] --> src/main.rs:1794:9 [INFO] [stderr] | [INFO] [stderr] 1794 | use ::Atom; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/main.rs:2192:5 [INFO] [stderr] | [INFO] [stderr] 2192 | / macro_rules! slist { [INFO] [stderr] 2193 | | ( $i:ident => $it:ident, $e:expr ) => { [INFO] [stderr] 2194 | | if let Some($i) = $it.next() { [INFO] [stderr] 2195 | | $e [INFO] [stderr] ... | [INFO] [stderr] 2202 | | } [INFO] [stderr] 2203 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time [INFO] [stderr] --> src/main.rs:1321:5 [INFO] [stderr] | [INFO] [stderr] 1321 | fn lastable(self) -> Lastable; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::marker::Sized` is not implemented for `Self` [INFO] [stderr] = note: to learn more, visit [INFO] [stderr] = help: consider adding a `where Self: std::marker::Sized` bound [INFO] [stderr] note: required by `Lastable` [INFO] [stderr] --> src/main.rs:1296:1 [INFO] [stderr] | [INFO] [stderr] 1296 | struct Lastable where I: Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: `Self` is not an iterator [INFO] [stderr] --> src/main.rs:1321:5 [INFO] [stderr] | [INFO] [stderr] 1321 | fn lastable(self) -> Lastable; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Self` is not an iterator [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::iter::Iterator` is not implemented for `Self` [INFO] [stderr] = help: consider adding a `where Self: std::iter::Iterator` bound [INFO] [stderr] note: required by `Lastable` [INFO] [stderr] --> src/main.rs:1296:1 [INFO] [stderr] | [INFO] [stderr] 1296 | struct Lastable where I: Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `rsscm`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d43f0b17b3d11eecf6cc4be3662e96474e8e27b2930e912a1bf4eb6cd9680ef9"` [INFO] running `"docker" "rm" "-f" "d43f0b17b3d11eecf6cc4be3662e96474e8e27b2930e912a1bf4eb6cd9680ef9"` [INFO] [stdout] d43f0b17b3d11eecf6cc4be3662e96474e8e27b2930e912a1bf4eb6cd9680ef9