[INFO] cloning repository https://github.com/cameron-williams/zkru
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cameron-williams/zkru" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameron-williams%2Fzkru", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameron-williams%2Fzkru'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 367194b472325b15315566bd7e2249f8d24c4ffd
[INFO] testing cameron-williams/zkru against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameron-williams%2Fzkru" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cameron-williams/zkru on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cameron-williams/zkru
[INFO] finished tweaking git repo https://github.com/cameron-williams/zkru
[INFO] tweaked toml for git repo https://github.com/cameron-williams/zkru written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cameron-williams/zkru already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7dc1d1adc5a834ea38a26d45b7d54ffe8435436499f07931e7edc6c83af4d0d
[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" "f7dc1d1adc5a834ea38a26d45b7d54ffe8435436499f07931e7edc6c83af4d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7dc1d1adc5a834ea38a26d45b7d54ffe8435436499f07931e7edc6c83af4d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7dc1d1adc5a834ea38a26d45b7d54ffe8435436499f07931e7edc6c83af4d0d", kill_on_drop: false }`
[INFO] [stdout] f7dc1d1adc5a834ea38a26d45b7d54ffe8435436499f07931e7edc6c83af4d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c10a9e75252be5be227b595f331ea734fbc38f869d0569197fadc86e66168c65
[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" "c10a9e75252be5be227b595f331ea734fbc38f869d0569197fadc86e66168c65", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling zkru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stdout]     |                                                             ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 163 |                         current_line.replace_range(
[INFO] [stdout]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 164 |                             cap.get(0).unwrap().range(),
[INFO] [stdout]     |                             --- immutable borrow later used 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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stdout]     |                                                             ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 131 |                         current_line.replace_range(
[INFO] [stdout]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 132 |                             cap.get(0).unwrap().range(),
[INFO] [stdout]     |                             --- immutable borrow later used here
[INFO] [stdout]     |
[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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:142:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stdout]     |                                                             ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 142 |                         current_line.replace_range(
[INFO] [stdout]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 143 |                             cap.get(0).unwrap().range(),
[INFO] [stdout]     |                             --- immutable borrow later used here
[INFO] [stdout]     |
[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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stdout]     |                                                             ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 151 |                         current_line.replace_range(
[INFO] [stdout]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 152 |                             cap.get(0).unwrap().range(),
[INFO] [stdout]     |                             --- immutable borrow later used here
[INFO] [stdout]     |
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.87s
[INFO] running `Command { std: "docker" "inspect" "c10a9e75252be5be227b595f331ea734fbc38f869d0569197fadc86e66168c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10a9e75252be5be227b595f331ea734fbc38f869d0569197fadc86e66168c65", kill_on_drop: false }`
[INFO] [stdout] c10a9e75252be5be227b595f331ea734fbc38f869d0569197fadc86e66168c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9abdd5e8c15e77831149927432d0801972e955ec7e15c013c09f7f7e28b03962
[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" "9abdd5e8c15e77831149927432d0801972e955ec7e15c013c09f7f7e28b03962", kill_on_drop: false }`
[INFO] [stderr]    Compiling zkru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stdout]     |                                                             ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 163 |                         current_line.replace_range(
[INFO] [stdout]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 164 |                             cap.get(0).unwrap().range(),
[INFO] [stdout]     |                             --- immutable borrow later used 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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stdout]     |                                                             ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 131 |                         current_line.replace_range(
[INFO] [stdout]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 132 |                             cap.get(0).unwrap().range(),
[INFO] [stdout]     |                             --- immutable borrow later used here
[INFO] [stdout]     |
[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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:142:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stdout]     |                                                             ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 142 |                         current_line.replace_range(
[INFO] [stdout]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 143 |                             cap.get(0).unwrap().range(),
[INFO] [stdout]     |                             --- immutable borrow later used here
[INFO] [stdout]     |
[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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stdout]     |                                                             ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 151 |                         current_line.replace_range(
[INFO] [stdout]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 152 |                             cap.get(0).unwrap().range(),
[INFO] [stdout]     |                             --- immutable borrow later used here
[INFO] [stdout]     |
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "9abdd5e8c15e77831149927432d0801972e955ec7e15c013c09f7f7e28b03962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9abdd5e8c15e77831149927432d0801972e955ec7e15c013c09f7f7e28b03962", kill_on_drop: false }`
[INFO] [stdout] 9abdd5e8c15e77831149927432d0801972e955ec7e15c013c09f7f7e28b03962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a01dea0932c7555066eb9e54044e26101168d943c898dfe125ca60ef048465df
[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" "a01dea0932c7555066eb9e54044e26101168d943c898dfe125ca60ef048465df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/main.rs:163:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stderr]     |                                                             ------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 163 |                         current_line.replace_range(
[INFO] [stderr]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stderr] 164 |                             cap.get(0).unwrap().range(),
[INFO] [stderr]     |                             --- immutable borrow later used 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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/main.rs:131:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stderr]     |                                                             ------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 131 |                         current_line.replace_range(
[INFO] [stderr]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stderr] 132 |                             cap.get(0).unwrap().range(),
[INFO] [stderr]     |                             --- immutable borrow later used here
[INFO] [stderr]     |
[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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/main.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stderr]     |                                                             ------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 142 |                         current_line.replace_range(
[INFO] [stderr]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stderr] 143 |                             cap.get(0).unwrap().range(),
[INFO] [stderr]     |                             --- immutable borrow later used here
[INFO] [stderr]     |
[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: cannot borrow `current_line` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/main.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 let cap = if let Some(c) = pattern.captures(&current_line) {c} else {break};
[INFO] [stderr]     |                                                             ------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 151 |                         current_line.replace_range(
[INFO] [stderr]     |                         ^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stderr] 152 |                             cap.get(0).unwrap().range(),
[INFO] [stderr]     |                             --- immutable borrow later used here
[INFO] [stderr]     |
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zkru-4bec8b466811b766
[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" "a01dea0932c7555066eb9e54044e26101168d943c898dfe125ca60ef048465df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01dea0932c7555066eb9e54044e26101168d943c898dfe125ca60ef048465df", kill_on_drop: false }`
[INFO] [stdout] a01dea0932c7555066eb9e54044e26101168d943c898dfe125ca60ef048465df
