[INFO] cloning repository Byron/git-reconstruct [INFO] running `"git" "clone" "--bare" "git://github.com/Byron/git-reconstruct.git" "work/cache/sources/gh/Byron/git-reconstruct"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Byron/git-reconstruct'... [INFO] running `"git" "clone" "work/cache/sources/gh/Byron/git-reconstruct" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Byron/git-reconstruct"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Byron/git-reconstruct'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Byron/git-reconstruct" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Byron/git-reconstruct"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Byron/git-reconstruct'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fb99104bc00fbde35e7ca1ace6bc4f95b9ca5449 [INFO] sha for GitHub repo Byron/git-reconstruct: fb99104bc00fbde35e7ca1ace6bc4f95b9ca5449 [INFO] validating manifest of Byron/git-reconstruct on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Byron/git-reconstruct on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Byron/git-reconstruct [INFO] finished frobbing Byron/git-reconstruct [INFO] frobbed toml for Byron/git-reconstruct written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Byron/git-reconstruct/Cargo.toml [INFO] started frobbing Byron/git-reconstruct [INFO] finished frobbing Byron/git-reconstruct [INFO] frobbed toml for Byron/git-reconstruct written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Byron/git-reconstruct/Cargo.toml [INFO] crate Byron/git-reconstruct already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded failure-tools v4.0.2 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing Byron/git-reconstruct against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Byron/git-reconstruct:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 3e6b86db5be4ffaec19d33c2081fb83661589a90f047fd85da59d5e7b1b3e3e4 [INFO] running `"docker" "start" "-a" "3e6b86db5be4ffaec19d33c2081fb83661589a90f047fd85da59d5e7b1b3e3e4"` [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling getopts v0.2.17 [INFO] [stderr] Compiling smallvec v0.6.1 [INFO] [stderr] Compiling cfg-if v0.1.3 [INFO] [stderr] Compiling rustc-demangle v0.1.8 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Compiling crossbeam-utils v0.4.0 [INFO] [stderr] Compiling same-file v1.0.2 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling crossbeam v0.3.2 [INFO] [stderr] Compiling atty v0.2.10 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling lz4-sys v1.8.0 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling log v0.4.2 [INFO] [stderr] Compiling walkdir v2.1.4 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling idna v0.1.4 [INFO] [stderr] Compiling crossbeam-epoch v0.4.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling pulldown-cmark v0.0.8 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling parking_lot v0.5.5 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling openssl-sys v0.9.32 [INFO] [stderr] Compiling cmake v0.1.31 [INFO] [stderr] Compiling curl-sys v0.4.5 [INFO] [stderr] Compiling crossbeam-channel v0.2.1 [INFO] [stderr] Compiling url v1.7.0 [INFO] [stderr] Compiling skeptic v0.9.0 [INFO] [stderr] Compiling libssh2-sys v0.2.7 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling libgit2-sys v0.7.3 [INFO] [stderr] Compiling lz4 v1.22.0 [INFO] [stderr] Compiling backtrace v0.3.8 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Compiling serde_derive v1.0.66 [INFO] [stderr] Compiling failure v0.1.1 [INFO] [stderr] Compiling bincode v1.0.0 [INFO] [stderr] Compiling failure-tools v4.0.2 [INFO] [stderr] Compiling console v0.6.1 [INFO] [stderr] Compiling indicatif v0.9.0 [INFO] [stderr] Compiling structopt v0.2.10 [INFO] [stderr] Compiling git2 v0.7.1 [INFO] [stderr] Compiling git-reconstruct v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lut.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | for mut edges in &mut self.vertices_to_edges { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stderr] --> src/cli.rs:81:17 [INFO] [stderr] | [INFO] [stderr] 81 | encoder.finish(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 57s [INFO] running `"docker" "inspect" "3e6b86db5be4ffaec19d33c2081fb83661589a90f047fd85da59d5e7b1b3e3e4"` [INFO] running `"docker" "rm" "-f" "3e6b86db5be4ffaec19d33c2081fb83661589a90f047fd85da59d5e7b1b3e3e4"` [INFO] [stdout] 3e6b86db5be4ffaec19d33c2081fb83661589a90f047fd85da59d5e7b1b3e3e4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Byron/git-reconstruct:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] d15cc01433bef62dcb9a4d171c030fad03255de44be264dde280706b6dd5a0f5 [INFO] running `"docker" "start" "-a" "d15cc01433bef62dcb9a4d171c030fad03255de44be264dde280706b6dd5a0f5"` [INFO] [stderr] Compiling git-reconstruct v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lut.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | for mut edges in &mut self.vertices_to_edges { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stderr] --> src/cli.rs:81:17 [INFO] [stderr] | [INFO] [stderr] 81 | encoder.finish(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.63s [INFO] running `"docker" "inspect" "d15cc01433bef62dcb9a4d171c030fad03255de44be264dde280706b6dd5a0f5"` [INFO] running `"docker" "rm" "-f" "d15cc01433bef62dcb9a4d171c030fad03255de44be264dde280706b6dd5a0f5"` [INFO] [stdout] d15cc01433bef62dcb9a4d171c030fad03255de44be264dde280706b6dd5a0f5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Byron/git-reconstruct:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 1b5543122fd4a7d3bb2f0349a8270bc8d37473cf620817d5b990d61125477ff5 [INFO] running `"docker" "start" "-a" "1b5543122fd4a7d3bb2f0349a8270bc8d37473cf620817d5b990d61125477ff5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.16s [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/git_reconstruct-a7ecf7b67c4ac033 [INFO] running `"docker" "inspect" "1b5543122fd4a7d3bb2f0349a8270bc8d37473cf620817d5b990d61125477ff5"` [INFO] running `"docker" "rm" "-f" "1b5543122fd4a7d3bb2f0349a8270bc8d37473cf620817d5b990d61125477ff5"` [INFO] [stdout] 1b5543122fd4a7d3bb2f0349a8270bc8d37473cf620817d5b990d61125477ff5