[INFO] fetching crate rreplace 0.1.0...
[INFO] testing rreplace-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rreplace 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rreplace 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rreplace 0.1.0
[INFO] finished tweaking crates.io crate rreplace 0.1.0
[INFO] tweaked toml for crates.io crate rreplace 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ce3190d95ca3242c5894e5c2fbd409fa7b35d5b3616e34778fb8ea6e87dbdd1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ce3190d95ca3242c5894e5c2fbd409fa7b35d5b3616e34778fb8ea6e87dbdd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ce3190d95ca3242c5894e5c2fbd409fa7b35d5b3616e34778fb8ea6e87dbdd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce3190d95ca3242c5894e5c2fbd409fa7b35d5b3616e34778fb8ea6e87dbdd1", kill_on_drop: false }`
[INFO] [stdout] 9ce3190d95ca3242c5894e5c2fbd409fa7b35d5b3616e34778fb8ea6e87dbdd1
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67cfaa5c100d749ab7f1ba7a53c0203a637115dab4aa65c032fe4999de19d2c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67cfaa5c100d749ab7f1ba7a53c0203a637115dab4aa65c032fe4999de19d2c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rreplace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]    --> src/lib.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | use std::ops::Add;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]    --> src/lib.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn clear(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc_index`
[INFO] [stdout]    --> src/lib.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn inc_index(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc_index_by`
[INFO] [stdout]    --> src/lib.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn inc_index_by(&mut self, num: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count`
[INFO] [stdout]    --> src/lib.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn count(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "67cfaa5c100d749ab7f1ba7a53c0203a637115dab4aa65c032fe4999de19d2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67cfaa5c100d749ab7f1ba7a53c0203a637115dab4aa65c032fe4999de19d2c8", kill_on_drop: false }`
[INFO] [stdout] 67cfaa5c100d749ab7f1ba7a53c0203a637115dab4aa65c032fe4999de19d2c8
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17f7ca4284bb035603a9409e6377d1d47a075a21acda877bb7bd0299ff5625fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17f7ca4284bb035603a9409e6377d1d47a075a21acda877bb7bd0299ff5625fd", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]    --> src/lib.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | use std::ops::Add;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rreplace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]    --> src/lib.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn clear(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc_index`
[INFO] [stdout]    --> src/lib.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn inc_index(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc_index_by`
[INFO] [stdout]    --> src/lib.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn inc_index_by(&mut self, num: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count`
[INFO] [stdout]    --> src/lib.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn count(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]    --> src/lib.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | use std::ops::Add;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]    --> src/lib.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn clear(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc_index`
[INFO] [stdout]    --> src/lib.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn inc_index(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc_index_by`
[INFO] [stdout]    --> src/lib.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn inc_index_by(&mut self, num: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count`
[INFO] [stdout]    --> src/lib.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn count(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "17f7ca4284bb035603a9409e6377d1d47a075a21acda877bb7bd0299ff5625fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f7ca4284bb035603a9409e6377d1d47a075a21acda877bb7bd0299ff5625fd", kill_on_drop: false }`
[INFO] [stdout] 17f7ca4284bb035603a9409e6377d1d47a075a21acda877bb7bd0299ff5625fd
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30c1217c4f013d7fd20b907a559e795cb566f16ab075577e79a3250530b4b714
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30c1217c4f013d7fd20b907a559e795cb566f16ab075577e79a3250530b4b714", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]    --> src/lib.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | use std::ops::Add;
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]    --> src/lib.rs:143:8
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn clear(&mut self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `inc_index`
[INFO] [stderr]    --> src/lib.rs:147:8
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn inc_index(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `inc_index_by`
[INFO] [stderr]    --> src/lib.rs:151:8
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn inc_index_by(&mut self, num: usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `count`
[INFO] [stderr]    --> src/lib.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn count(&self) -> usize {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rreplace` (lib) generated 5 warnings
[INFO] [stderr] warning: `rreplace` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rreplace-3bfd1a9500cc7dab)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::drain_all ... ok
[INFO] [stdout] test tests::hashmap_stays_in_order ... ok
[INFO] [stdout] test tests::longest_replace ... ok
[INFO] [stdout] test tests::longest_collapse_two_shorters ... ok
[INFO] [stdout] test tests::longest_collapse_three_shorters ... ok
[INFO] [stdout] test tests::drain_chars ... ok
[INFO] [stderr]    Doc-tests rreplace
[INFO] [stdout] test tests::matcher_works ... ok
[INFO] [stdout] test tests::multiple_seperate_replace ... ok
[INFO] [stdout] test tests::longest_collapse_replace_shorter ... ok
[INFO] [stdout] test tests::hashmap_to_vector_sort_longest ... ok
[INFO] [stdout] test tests::highest_complexity ... ok
[INFO] [stdout] test tests::single_replace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "30c1217c4f013d7fd20b907a559e795cb566f16ab075577e79a3250530b4b714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c1217c4f013d7fd20b907a559e795cb566f16ab075577e79a3250530b4b714", kill_on_drop: false }`
[INFO] [stdout] 30c1217c4f013d7fd20b907a559e795cb566f16ab075577e79a3250530b4b714