[INFO] cloning repository https://github.com/justinbarclay/diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinbarclay/diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinbarclay%2Fdiff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinbarclay%2Fdiff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b474157f4d0d2d2c667ba0bd8f2457eda8ef12e
[INFO] testing justinbarclay/diff against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinbarclay%2Fdiff" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinbarclay/diff on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justinbarclay/diff
[INFO] finished tweaking git repo https://github.com/justinbarclay/diff
[INFO] tweaked toml for git repo https://github.com/justinbarclay/diff written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/justinbarclay/diff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdbf4207fe29bd635378f9a5424a34be07891366bc24ea4c4d75aefe87b96825
[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" "cdbf4207fe29bd635378f9a5424a34be07891366bc24ea4c4d75aefe87b96825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdbf4207fe29bd635378f9a5424a34be07891366bc24ea4c4d75aefe87b96825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbf4207fe29bd635378f9a5424a34be07891366bc24ea4c4d75aefe87b96825", kill_on_drop: false }`
[INFO] [stdout] cdbf4207fe29bd635378f9a5424a34be07891366bc24ea4c4d75aefe87b96825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de7c2859352c48bbddb8a5bff88f099bb63443ea3ff2915b2e25dd063240c3cb
[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" "de7c2859352c48bbddb8a5bff88f099bb63443ea3ff2915b2e25dd063240c3cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/negative_array.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |   pub fn get(&self, offset: isize) -> isize {
[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: `set`
[INFO] [stdout]   --> src/negative_array.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn set(&mut self, offset: isize, value: isize) -> &mut NegativeArray {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.04s
[INFO] running `Command { std: "docker" "inspect" "de7c2859352c48bbddb8a5bff88f099bb63443ea3ff2915b2e25dd063240c3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7c2859352c48bbddb8a5bff88f099bb63443ea3ff2915b2e25dd063240c3cb", kill_on_drop: false }`
[INFO] [stdout] de7c2859352c48bbddb8a5bff88f099bb63443ea3ff2915b2e25dd063240c3cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8099e0f0addab3cfa470fb9901019c5886a392ebb585b08a3120672a0db005d6
[INFO] running `Command { std: "docker" "start" "-a" "8099e0f0addab3cfa470fb9901019c5886a392ebb585b08a3120672a0db005d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rdiff-60dbe6eeb58f9560)
[INFO] running `Command { std: "docker" "inspect" "8099e0f0addab3cfa470fb9901019c5886a392ebb585b08a3120672a0db005d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8099e0f0addab3cfa470fb9901019c5886a392ebb585b08a3120672a0db005d6", kill_on_drop: false }`
[INFO] [stdout] 8099e0f0addab3cfa470fb9901019c5886a392ebb585b08a3120672a0db005d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69fbee7a313c8747829abc016870141505fb479991c85f4d107db90dfe0e39f7
[INFO] running `Command { std: "docker" "start" "-a" "69fbee7a313c8747829abc016870141505fb479991c85f4d107db90dfe0e39f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rdiff-60dbe6eeb58f9560)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test diff::tests::gen_edit_graph_without_newlines ... ok
[INFO] [stdout] test negative_array::tests::using_get_and_set ... ok
[INFO] [stdout] test diff::tests::short_edit_sequence_where_they_are_the_same ... ok
[INFO] [stdout] test negative_array::tests::creating_a_new_array ... ok
[INFO] [stdout] test diff::tests::gen_edit_graph ... ok
[INFO] [stdout] test diff::tests::short_edit_sequence ... ok
[INFO] [stdout] test diff::tests::split_string_hello ... ok
[INFO] [stdout] test diff::tests::short_edit_sequence_without_newlines ... ok
[INFO] [stdout] test diff::tests::greedy_diff ... ok
[INFO] [stdout] test negative_array::tests::indexing_an_array ... ok
[INFO] [stdout] test diff::tests::gen_an_edit_sequence_for_a_diff_of_zero ... ok
[INFO] [stdout] test diff::tests::short_edit_sequence_for_empty_string ... ok
[INFO] [stdout] test diff::tests::short_edit_sequence_where_nothing_matches ... ok
[INFO] [stdout] test diff::tests::a_short_squence_where_they_are_the_same ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69fbee7a313c8747829abc016870141505fb479991c85f4d107db90dfe0e39f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69fbee7a313c8747829abc016870141505fb479991c85f4d107db90dfe0e39f7", kill_on_drop: false }`
[INFO] [stdout] 69fbee7a313c8747829abc016870141505fb479991c85f4d107db90dfe0e39f7