[INFO] cloning repository https://github.com/dufkan/rush
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dufkan/rush" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdufkan%2Frush", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdufkan%2Frush'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fefba20174a32dfd522185883bf638a71105d2b
[INFO] testing dufkan/rush against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdufkan%2Frush" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dufkan/rush on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dufkan/rush
[INFO] finished tweaking git repo https://github.com/dufkan/rush
[INFO] tweaked toml for git repo https://github.com/dufkan/rush written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dufkan/rush already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2b226cf9fe8706225a190304ffcf93587a83755f955936983476cdd4bd5c974
[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" "c2b226cf9fe8706225a190304ffcf93587a83755f955936983476cdd4bd5c974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2b226cf9fe8706225a190304ffcf93587a83755f955936983476cdd4bd5c974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b226cf9fe8706225a190304ffcf93587a83755f955936983476cdd4bd5c974", kill_on_drop: false }`
[INFO] [stdout] c2b226cf9fe8706225a190304ffcf93587a83755f955936983476cdd4bd5c974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 155582ac41013d55529e8e5d5770ce176e78cda2e6d3e8200974920664d31641
[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" "155582ac41013d55529e8e5d5770ce176e78cda2e6d3e8200974920664d31641", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling toml v0.5.0
[INFO] [stderr]    Compiling rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*exec` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/shell.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let command = exec.args().first();
[INFO] [stdout]     |                           ---- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 192 |                 exec.set_kind(match command.as_str() {
[INFO] [stdout]     |                 ^^^^                ------- immutable borrow later used here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.07s
[INFO] running `Command { std: "docker" "inspect" "155582ac41013d55529e8e5d5770ce176e78cda2e6d3e8200974920664d31641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155582ac41013d55529e8e5d5770ce176e78cda2e6d3e8200974920664d31641", kill_on_drop: false }`
[INFO] [stdout] 155582ac41013d55529e8e5d5770ce176e78cda2e6d3e8200974920664d31641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7ae9d07d05e5f5b3d0b8f16ff17b452aa79a5885f5cfe7d1ce0351981b4cd41
[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" "f7ae9d07d05e5f5b3d0b8f16ff17b452aa79a5885f5cfe7d1ce0351981b4cd41", kill_on_drop: false }`
[INFO] [stderr]    Compiling rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*exec` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/shell.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let command = exec.args().first();
[INFO] [stdout]     |                           ---- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 192 |                 exec.set_kind(match command.as_str() {
[INFO] [stdout]     |                 ^^^^                ------- immutable borrow later used here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "f7ae9d07d05e5f5b3d0b8f16ff17b452aa79a5885f5cfe7d1ce0351981b4cd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ae9d07d05e5f5b3d0b8f16ff17b452aa79a5885f5cfe7d1ce0351981b4cd41", kill_on_drop: false }`
[INFO] [stdout] f7ae9d07d05e5f5b3d0b8f16ff17b452aa79a5885f5cfe7d1ce0351981b4cd41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f83d9f2b7958c7893a8bf716a58acebaafa69ba2941f3084fe1eab0b21b8f3fc
[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" "f83d9f2b7958c7893a8bf716a58acebaafa69ba2941f3084fe1eab0b21b8f3fc", kill_on_drop: false }`
[INFO] [stderr] warning: cannot borrow `*exec` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/shell.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let command = exec.args().first();
[INFO] [stderr]     |                           ---- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 192 |                 exec.set_kind(match command.as_str() {
[INFO] [stderr]     |                 ^^^^                ------- immutable borrow later used here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rush-3231a20dc14d3b7d
[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] running `Command { std: "docker" "inspect" "f83d9f2b7958c7893a8bf716a58acebaafa69ba2941f3084fe1eab0b21b8f3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83d9f2b7958c7893a8bf716a58acebaafa69ba2941f3084fe1eab0b21b8f3fc", kill_on_drop: false }`
[INFO] [stdout] f83d9f2b7958c7893a8bf716a58acebaafa69ba2941f3084fe1eab0b21b8f3fc