[INFO] crate libextra 0.1.0 is already in cache [INFO] extracting crate libextra 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/libextra/0.1.0 [INFO] extracting crate libextra 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libextra/0.1.0 [INFO] validating manifest of libextra-0.1.0 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 libextra-0.1.0 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 libextra-0.1.0 [INFO] finished frobbing libextra-0.1.0 [INFO] frobbed toml for libextra-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libextra/0.1.0/Cargo.toml [INFO] started frobbing libextra-0.1.0 [INFO] finished frobbing libextra-0.1.0 [INFO] frobbed toml for libextra-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libextra/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 libextra-0.1.0 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libextra/0.1.0:/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] 3d6bd25f8bff6a5f0de39de2aca5d8ad2614db65362082f0fb6999de7fec1d8c [INFO] running `"docker" "start" "-a" "3d6bd25f8bff6a5f0de39de2aca5d8ad2614db65362082f0fb6999de7fec1d8c"` [INFO] [stderr] Compiling libextra v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Enumerate`, `FilterMap` [INFO] [stderr] --> src/map.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::iter::{Enumerate, FilterMap}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/map.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | / macro_rules! iterator { [INFO] [stderr] 40 | | (impl $name:ident -> $elem:ty, $getter:ident) => { [INFO] [stderr] 41 | | impl<'a, T: 'a> Iterator for $name<'a, T> { [INFO] [stderr] 42 | | type Item = $elem; [INFO] [stderr] ... | [INFO] [stderr] 66 | | } [INFO] [stderr] 67 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/bitv.rs:179:30 [INFO] [stderr] | [INFO] [stderr] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/bitv.rs:179:47 [INFO] [stderr] | [INFO] [stderr] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterate_bits` [INFO] [stderr] --> src/bitv.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Op` [INFO] [stderr] --> src/bitv.rs:121:1 [INFO] [stderr] | [INFO] [stderr] 121 | enum Op { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `front` [INFO] [stderr] --> src/map.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | front: usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `back` [INFO] [stderr] --> src/map.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | back: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `iter` [INFO] [stderr] --> src/map.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | iter: Iterator> + 'a, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "3d6bd25f8bff6a5f0de39de2aca5d8ad2614db65362082f0fb6999de7fec1d8c"` [INFO] running `"docker" "rm" "-f" "3d6bd25f8bff6a5f0de39de2aca5d8ad2614db65362082f0fb6999de7fec1d8c"` [INFO] [stdout] 3d6bd25f8bff6a5f0de39de2aca5d8ad2614db65362082f0fb6999de7fec1d8c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libextra/0.1.0:/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" "test" "--frozen" "--no-run"` [INFO] [stdout] 566d91152767d3b8d5ada0db720c14ca584fbe489a46f11248a8b9dbb28f8b68 [INFO] running `"docker" "start" "-a" "566d91152767d3b8d5ada0db720c14ca584fbe489a46f11248a8b9dbb28f8b68"` [INFO] [stderr] Compiling libextra v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Enumerate`, `FilterMap` [INFO] [stderr] --> src/map.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::iter::{Enumerate, FilterMap}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/map.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | / macro_rules! iterator { [INFO] [stderr] 40 | | (impl $name:ident -> $elem:ty, $getter:ident) => { [INFO] [stderr] 41 | | impl<'a, T: 'a> Iterator for $name<'a, T> { [INFO] [stderr] 42 | | type Item = $elem; [INFO] [stderr] ... | [INFO] [stderr] 66 | | } [INFO] [stderr] 67 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/bitv.rs:179:30 [INFO] [stderr] | [INFO] [stderr] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/bitv.rs:179:47 [INFO] [stderr] | [INFO] [stderr] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterate_bits` [INFO] [stderr] --> src/bitv.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Op` [INFO] [stderr] --> src/bitv.rs:121:1 [INFO] [stderr] | [INFO] [stderr] 121 | enum Op { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `front` [INFO] [stderr] --> src/map.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | front: usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `back` [INFO] [stderr] --> src/map.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | back: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `iter` [INFO] [stderr] --> src/map.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | iter: Iterator> + 'a, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `"docker" "inspect" "566d91152767d3b8d5ada0db720c14ca584fbe489a46f11248a8b9dbb28f8b68"` [INFO] running `"docker" "rm" "-f" "566d91152767d3b8d5ada0db720c14ca584fbe489a46f11248a8b9dbb28f8b68"` [INFO] [stdout] 566d91152767d3b8d5ada0db720c14ca584fbe489a46f11248a8b9dbb28f8b68 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libextra/0.1.0:/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" "test" "--frozen"` [INFO] [stdout] d602da3c730efe88901af6113c4ca3f8503851d1ff7940447b57599f6622d50e [INFO] running `"docker" "start" "-a" "d602da3c730efe88901af6113c4ca3f8503851d1ff7940447b57599f6622d50e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/libextra-2294b06c1c6da695 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/libextra-a721b0618829b9cd [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests libextra [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "d602da3c730efe88901af6113c4ca3f8503851d1ff7940447b57599f6622d50e"` [INFO] running `"docker" "rm" "-f" "d602da3c730efe88901af6113c4ca3f8503851d1ff7940447b57599f6622d50e"` [INFO] [stdout] d602da3c730efe88901af6113c4ca3f8503851d1ff7940447b57599f6622d50e