[INFO] fetching crate bob 0.0.1...
[INFO] testing bob-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bob 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bob 0.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bob 0.0.1
[INFO] finished tweaking crates.io crate bob 0.0.1
[INFO] tweaked toml for crates.io crate bob 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded infer v0.1.7
[INFO] [stderr]   Downloaded omnom v2.1.2
[INFO] [stderr]   Downloaded http-types v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d57372d6143c39b3d60458ff7897af6f5beb402186ca309d708ed7b23a6b18
[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" "c4d57372d6143c39b3d60458ff7897af6f5beb402186ca309d708ed7b23a6b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d57372d6143c39b3d60458ff7897af6f5beb402186ca309d708ed7b23a6b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d57372d6143c39b3d60458ff7897af6f5beb402186ca309d708ed7b23a6b18", kill_on_drop: false }`
[INFO] [stdout] c4d57372d6143c39b3d60458ff7897af6f5beb402186ca309d708ed7b23a6b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe5d41996a083ef26f0543df052c3b9d39174687747b52c2a130a92c09f827c
[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" "4fe5d41996a083ef26f0543df052c3b9d39174687747b52c2a130a92c09f827c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling infer v0.1.7
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling omnom v2.1.2
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling fancy-regex v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling http-types v1.3.1
[INFO] [stderr]    Compiling bob v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/router/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     config: Option<RouteConfig>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segments`
[INFO] [stdout]   --> src/router/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let segments = if url.path().len() == 1 {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/router/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let params: Vec<SegmentRecord> = vec![];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parts`
[INFO] [stdout]    --> src/router/mod.rs:107:11
[INFO] [stdout]     |
[INFO] [stdout] 107 |       let parts = parse_params(path_part);
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_parts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.50s
[INFO] running `Command { std: "docker" "inspect" "4fe5d41996a083ef26f0543df052c3b9d39174687747b52c2a130a92c09f827c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe5d41996a083ef26f0543df052c3b9d39174687747b52c2a130a92c09f827c", kill_on_drop: false }`
[INFO] [stdout] 4fe5d41996a083ef26f0543df052c3b9d39174687747b52c2a130a92c09f827c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 405bc097373d795d120045c299cc2a2d8ac09d8f1d1bc76d70482dacbcc45257
[INFO] running `Command { std: "docker" "start" "-a" "405bc097373d795d120045c299cc2a2d8ac09d8f1d1bc76d70482dacbcc45257", kill_on_drop: false }`
[INFO] [stderr]    Compiling bob v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/router/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     config: Option<RouteConfig>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segments`
[INFO] [stdout]   --> src/router/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let segments = if url.path().len() == 1 {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/router/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let params: Vec<SegmentRecord> = vec![];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parts`
[INFO] [stdout]    --> src/router/mod.rs:107:11
[INFO] [stdout]     |
[INFO] [stdout] 107 |       let parts = parse_params(path_part);
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_parts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/router/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     config: Option<RouteConfig>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segments`
[INFO] [stdout]   --> src/router/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let segments = if url.path().len() == 1 {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/router/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let params: Vec<SegmentRecord> = vec![];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parts`
[INFO] [stdout]    --> src/router/mod.rs:107:11
[INFO] [stdout]     |
[INFO] [stdout] 107 |       let parts = parse_params(path_part);
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_parts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "405bc097373d795d120045c299cc2a2d8ac09d8f1d1bc76d70482dacbcc45257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405bc097373d795d120045c299cc2a2d8ac09d8f1d1bc76d70482dacbcc45257", kill_on_drop: false }`
[INFO] [stdout] 405bc097373d795d120045c299cc2a2d8ac09d8f1d1bc76d70482dacbcc45257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] df9a9211b6c7cc60b3d3c1b5d2b712bb8dd972c5f5a0d31dddd0d4113f257ddd
[INFO] running `Command { std: "docker" "start" "-a" "df9a9211b6c7cc60b3d3c1b5d2b712bb8dd972c5f5a0d31dddd0d4113f257ddd", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/router/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     config: Option<RouteConfig>,
[INFO] [stderr]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `segments`
[INFO] [stderr]   --> src/router/mod.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let segments = if url.path().len() == 1 {
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/router/mod.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let params: Vec<SegmentRecord> = vec![];
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parts`
[INFO] [stderr]    --> src/router/mod.rs:107:11
[INFO] [stderr]     |
[INFO] [stderr] 107 |       let parts = parse_params(path_part);
[INFO] [stderr]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_parts`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/router/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     config: Option<RouteConfig>,
[INFO] [stderr]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `segments`
[INFO] [stderr]   --> src/router/mod.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let segments = if url.path().len() == 1 {
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segments`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/router/mod.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let params: Vec<SegmentRecord> = vec![];
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parts`
[INFO] [stderr]    --> src/router/mod.rs:107:11
[INFO] [stderr]     |
[INFO] [stderr] 107 |       let parts = parse_params(path_part);
[INFO] [stderr]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_parts`
[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/bob-591948e1237c2c5d
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test router::tests::can_add_route ... ok
[INFO] [stdout] test router::tests::can_route ... ok
[INFO] [stdout] test router::tests::check_path_regex ... ok
[INFO] [stderr]    Doc-tests bob
[INFO] [stdout] test router::tests::fails_invalid_path ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df9a9211b6c7cc60b3d3c1b5d2b712bb8dd972c5f5a0d31dddd0d4113f257ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9a9211b6c7cc60b3d3c1b5d2b712bb8dd972c5f5a0d31dddd0d4113f257ddd", kill_on_drop: false }`
[INFO] [stdout] df9a9211b6c7cc60b3d3c1b5d2b712bb8dd972c5f5a0d31dddd0d4113f257ddd