[INFO] fetching crate container 0.1.0...
[INFO] testing container-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate container 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate container 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate container 0.1.0
[INFO] finished tweaking crates.io crate container 0.1.0
[INFO] tweaked toml for crates.io crate container 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb37096db720efdb15329948527b28e47215b459701b55c392eed22ca3d1e46e
[INFO] running `Command { std: "docker" "start" "-a" "cb37096db720efdb15329948527b28e47215b459701b55c392eed22ca3d1e46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb37096db720efdb15329948527b28e47215b459701b55c392eed22ca3d1e46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb37096db720efdb15329948527b28e47215b459701b55c392eed22ca3d1e46e", kill_on_drop: false }`
[INFO] [stdout] cb37096db720efdb15329948527b28e47215b459701b55c392eed22ca3d1e46e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd211fd490d2c0d8724c806be169101e1e7cd8c502afa63aca53bc8ccdcf168
[INFO] running `Command { std: "docker" "start" "-a" "2fd211fd490d2c0d8724c806be169101e1e7cd8c502afa63aca53bc8ccdcf168", kill_on_drop: false }`
[INFO] [stderr]    Compiling container v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/heap.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stdout]   |                        ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/heap.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stdout]   |                               ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "2fd211fd490d2c0d8724c806be169101e1e7cd8c502afa63aca53bc8ccdcf168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd211fd490d2c0d8724c806be169101e1e7cd8c502afa63aca53bc8ccdcf168", kill_on_drop: false }`
[INFO] [stdout] 2fd211fd490d2c0d8724c806be169101e1e7cd8c502afa63aca53bc8ccdcf168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f8f6071d886ed284fa8811e72cd66ec9881ce0ffdef530f9ce4ce3e7a7705f
[INFO] running `Command { std: "docker" "start" "-a" "11f8f6071d886ed284fa8811e72cd66ec9881ce0ffdef530f9ce4ce3e7a7705f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/heap.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stdout]   |                        ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling container v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/heap.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stdout]   |                               ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/heap.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stdout]   |                        ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/heap.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stdout]   |                               ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "11f8f6071d886ed284fa8811e72cd66ec9881ce0ffdef530f9ce4ce3e7a7705f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f8f6071d886ed284fa8811e72cd66ec9881ce0ffdef530f9ce4ce3e7a7705f", kill_on_drop: false }`
[INFO] [stdout] 11f8f6071d886ed284fa8811e72cd66ec9881ce0ffdef530f9ce4ce3e7a7705f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dea4f8125c2ed50f836ee383d72fbb74b995bfe073ce2ed3cb5c4bb95bafc91
[INFO] running `Command { std: "docker" "start" "-a" "4dea4f8125c2ed50f836ee383d72fbb74b995bfe073ce2ed3cb5c4bb95bafc91", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/heap.rs:9:24
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stdout] 
[INFO] [stderr]   |                        ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/heap.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stderr]   |                               ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/heap.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stderr]   |                        ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/heap.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn swap(&mut self, usize, usize);
[INFO] [stderr]   |                               ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/container-938b7e8f1931b29d)
[INFO] [stderr]    Doc-tests container
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4dea4f8125c2ed50f836ee383d72fbb74b995bfe073ce2ed3cb5c4bb95bafc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dea4f8125c2ed50f836ee383d72fbb74b995bfe073ce2ed3cb5c4bb95bafc91", kill_on_drop: false }`
[INFO] [stdout] 4dea4f8125c2ed50f836ee383d72fbb74b995bfe073ce2ed3cb5c4bb95bafc91