[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 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinbarclay%2Fdiff" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinbarclay/diff on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", 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] cbff0e7dad4ebe55f60448dfa497247e8b3213337308c8a7da46918fde4e5063
[INFO] running `Command { std: "docker" "start" "-a" "cbff0e7dad4ebe55f60448dfa497247e8b3213337308c8a7da46918fde4e5063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbff0e7dad4ebe55f60448dfa497247e8b3213337308c8a7da46918fde4e5063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbff0e7dad4ebe55f60448dfa497247e8b3213337308c8a7da46918fde4e5063", kill_on_drop: false }`
[INFO] [stdout] cbff0e7dad4ebe55f60448dfa497247e8b3213337308c8a7da46918fde4e5063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] 8f0754e9da6ecb3f2761dffe576c3eadb780a423012d28a8429eaed613eb8acb
[INFO] running `Command { std: "docker" "start" "-a" "8f0754e9da6ecb3f2761dffe576c3eadb780a423012d28a8429eaed613eb8acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[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 13.75s
[INFO] running `Command { std: "docker" "inspect" "8f0754e9da6ecb3f2761dffe576c3eadb780a423012d28a8429eaed613eb8acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0754e9da6ecb3f2761dffe576c3eadb780a423012d28a8429eaed613eb8acb", kill_on_drop: false }`
[INFO] [stdout] 8f0754e9da6ecb3f2761dffe576c3eadb780a423012d28a8429eaed613eb8acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7947d1cd3ed16f031c33b9fc47f546e870cdde4b8727d40f74bf419533956c9
[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" "a7947d1cd3ed16f031c33b9fc47f546e870cdde4b8727d40f74bf419533956c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "a7947d1cd3ed16f031c33b9fc47f546e870cdde4b8727d40f74bf419533956c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7947d1cd3ed16f031c33b9fc47f546e870cdde4b8727d40f74bf419533956c9", kill_on_drop: false }`
[INFO] [stdout] a7947d1cd3ed16f031c33b9fc47f546e870cdde4b8727d40f74bf419533956c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9482808bed7dd9573d2ddffdf81f5029d051ab26993e0cf9f8facc5b9b73fb6d
[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" "9482808bed7dd9573d2ddffdf81f5029d051ab26993e0cf9f8facc5b9b73fb6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rdiff-6912659a547d9008
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test diff::tests::gen_edit_graph ... ok
[INFO] [stdout] test negative_array::tests::creating_a_new_array ... ok
[INFO] [stdout] test negative_array::tests::using_get_and_set ... ok
[INFO] [stdout] test diff::tests::gen_edit_graph_without_newlines ... ok
[INFO] [stdout] test diff::tests::a_short_squence_where_they_are_the_same ... ok
[INFO] [stdout] test diff::tests::gen_an_edit_sequence_for_a_diff_of_zero ... ok
[INFO] [stdout] test diff::tests::greedy_diff ... ok
[INFO] [stdout] test diff::tests::split_string_hello ... ok
[INFO] [stdout] test negative_array::tests::indexing_an_array ... ok
[INFO] [stdout] test diff::tests::short_edit_sequence_where_they_are_the_same ... ok
[INFO] [stdout] test diff::tests::short_edit_sequence_without_newlines ... ok
[INFO] [stdout] test diff::tests::short_edit_sequence ... 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] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9482808bed7dd9573d2ddffdf81f5029d051ab26993e0cf9f8facc5b9b73fb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9482808bed7dd9573d2ddffdf81f5029d051ab26993e0cf9f8facc5b9b73fb6d", kill_on_drop: false }`
[INFO] [stdout] 9482808bed7dd9573d2ddffdf81f5029d051ab26993e0cf9f8facc5b9b73fb6d