[INFO] cloning repository https://github.com/windelbouwman/zowski
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/windelbouwman/zowski" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindelbouwman%2Fzowski", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindelbouwman%2Fzowski'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35b528ec918449091ceda6c14e48546aabf93c9c
[INFO] testing windelbouwman/zowski against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindelbouwman%2Fzowski" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/windelbouwman/zowski on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/windelbouwman/zowski
[INFO] finished tweaking git repo https://github.com/windelbouwman/zowski
[INFO] tweaked toml for git repo https://github.com/windelbouwman/zowski written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/windelbouwman/zowski already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c717ec501b3c1ec3f54e7c0c1b21f6927a7df4362b0e91944649a931aeda80b1
[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" "c717ec501b3c1ec3f54e7c0c1b21f6927a7df4362b0e91944649a931aeda80b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c717ec501b3c1ec3f54e7c0c1b21f6927a7df4362b0e91944649a931aeda80b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c717ec501b3c1ec3f54e7c0c1b21f6927a7df4362b0e91944649a931aeda80b1", kill_on_drop: false }`
[INFO] [stdout] c717ec501b3c1ec3f54e7c0c1b21f6927a7df4362b0e91944649a931aeda80b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 8b041734ed46e9b53a0a6fe361aca404cbc82b58a318604f1c0872080c2a5f9d
[INFO] running `Command { std: "docker" "start" "-a" "8b041734ed46e9b53a0a6fe361aca404cbc82b58a318604f1c0872080c2a5f9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling zowski v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/dfa.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     x: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_dot`
[INFO] [stdout]  --> src/dot.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn write_dot(dfa: Dfa) -> std::io::Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `symbol_range`
[INFO] [stdout]   --> src/expression.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn symbol_range(begin: char, end: char) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_usages`
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn first_usages() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_prog`
[INFO] [stdout]   --> src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn first_prog() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_example`
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn simple_example() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "8b041734ed46e9b53a0a6fe361aca404cbc82b58a318604f1c0872080c2a5f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b041734ed46e9b53a0a6fe361aca404cbc82b58a318604f1c0872080c2a5f9d", kill_on_drop: false }`
[INFO] [stdout] 8b041734ed46e9b53a0a6fe361aca404cbc82b58a318604f1c0872080c2a5f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f709911fccbe79244e370f855d73e5c0f0bd2bd5f47bd4ee0113d23e2631293
[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" "7f709911fccbe79244e370f855d73e5c0f0bd2bd5f47bd4ee0113d23e2631293", kill_on_drop: false }`
[INFO] [stderr]    Compiling zowski v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/dfa.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     x: Vec<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_dot`
[INFO] [stdout]  --> src/dot.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn write_dot(dfa: Dfa) -> std::io::Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `symbol_range`
[INFO] [stdout]   --> src/expression.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn symbol_range(begin: char, end: char) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_usages`
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn first_usages() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_prog`
[INFO] [stdout]   --> src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn first_prog() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_example`
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn simple_example() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "7f709911fccbe79244e370f855d73e5c0f0bd2bd5f47bd4ee0113d23e2631293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f709911fccbe79244e370f855d73e5c0f0bd2bd5f47bd4ee0113d23e2631293", kill_on_drop: false }`
[INFO] [stdout] 7f709911fccbe79244e370f855d73e5c0f0bd2bd5f47bd4ee0113d23e2631293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0d002edc8e53356ee3238521c135992e72f29a5e2ef98c4a720e82f809d3ca2
[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" "e0d002edc8e53356ee3238521c135992e72f29a5e2ef98c4a720e82f809d3ca2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/dfa.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     x: Vec<usize>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_dot`
[INFO] [stderr]  --> src/dot.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn write_dot(dfa: Dfa) -> std::io::Result<()> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `symbol_range`
[INFO] [stderr]   --> src/expression.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn symbol_range(begin: char, end: char) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_usages`
[INFO] [stderr]   --> src/main.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn first_usages() {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_prog`
[INFO] [stderr]   --> src/main.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn first_prog() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_example`
[INFO] [stderr]   --> src/main.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn simple_example() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zowski-2211653c9cc8bfe0
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test expression::tests::blabla1 ... ok
[INFO] [stdout] test expression::tests::blabla2 ... ok
[INFO] [stdout] test range::tests::set_overlap9 ... ok
[INFO] [stdout] test rangeset::tests::set_difference ... ok
[INFO] [stdout] test rangeset::tests::set_difference2 ... ok
[INFO] [stdout] test range::tests::set_overlap5 ... ok
[INFO] [stdout] test rangeset::tests::set_with_one_range ... ok
[INFO] [stdout] test rangeset::tests::set_union_glueing ... ok
[INFO] [stdout] test range::tests::set_overlap4 ... ok
[INFO] [stdout] test range::tests::set_overlap3 ... ok
[INFO] [stdout] test range::tests::set_overlap2 ... ok
[INFO] [stdout] test range::tests::set_overlap1 ... ok
[INFO] [stdout] test rangeset::tests::set_iteration ... ok
[INFO] [stdout] test rangeset::tests::set_union ... ok
[INFO] [stdout] test rangeset::tests::set_with_single_element ... ok
[INFO] [stdout] test rangeset::tests::set_intersection ... ok
[INFO] [stdout] test parse::tests::parse_range ... ok
[INFO] [stdout] test parse::tests::parse_postfix ... ok
[INFO] [stdout] test parse::tests::parse_symbol ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0d002edc8e53356ee3238521c135992e72f29a5e2ef98c4a720e82f809d3ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d002edc8e53356ee3238521c135992e72f29a5e2ef98c4a720e82f809d3ca2", kill_on_drop: false }`
[INFO] [stdout] e0d002edc8e53356ee3238521c135992e72f29a5e2ef98c4a720e82f809d3ca2