[INFO] fetching crate find-tldr 0.1.0...
[INFO] testing find-tldr-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate find-tldr 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate find-tldr 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate find-tldr 0.1.0
[INFO] finished tweaking crates.io crate find-tldr 0.1.0
[INFO] tweaked toml for crates.io crate find-tldr 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9da5320ef57b613c39632835e2bbbdba25ea793208ef7f7b345b2dcceb0bd86
[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" "b9da5320ef57b613c39632835e2bbbdba25ea793208ef7f7b345b2dcceb0bd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9da5320ef57b613c39632835e2bbbdba25ea793208ef7f7b345b2dcceb0bd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9da5320ef57b613c39632835e2bbbdba25ea793208ef7f7b345b2dcceb0bd86", kill_on_drop: false }`
[INFO] [stdout] b9da5320ef57b613c39632835e2bbbdba25ea793208ef7f7b345b2dcceb0bd86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fb8b136e325186ab39f338471fe6316d6c594d06b118b97e020e6540e8afae1
[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" "7fb8b136e325186ab39f338471fe6316d6c594d06b118b97e020e6540e8afae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-tldr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/lib.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout]   |                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "7fb8b136e325186ab39f338471fe6316d6c594d06b118b97e020e6540e8afae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb8b136e325186ab39f338471fe6316d6c594d06b118b97e020e6540e8afae1", kill_on_drop: false }`
[INFO] [stdout] 7fb8b136e325186ab39f338471fe6316d6c594d06b118b97e020e6540e8afae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83c53fdac8ab2f1a95afd3f903a4fa3b8d8fa251e8295fa4214d4f8b4ffd4950
[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" "83c53fdac8ab2f1a95afd3f903a4fa3b8d8fa251e8295fa4214d4f8b4ffd4950", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-tldr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/lib.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout]   |                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/lib.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout]   |                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "83c53fdac8ab2f1a95afd3f903a4fa3b8d8fa251e8295fa4214d4f8b4ffd4950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c53fdac8ab2f1a95afd3f903a4fa3b8d8fa251e8295fa4214d4f8b4ffd4950", kill_on_drop: false }`
[INFO] [stdout] 83c53fdac8ab2f1a95afd3f903a4fa3b8d8fa251e8295fa4214d4f8b4ffd4950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "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] 76cc577f1e07ade50b0be3c6334edd1a44b5d80ffd82206eb35eaadcf179acc9
[INFO] running `Command { std: "docker" "start" "-a" "76cc577f1e07ade50b0be3c6334edd1a44b5d80ffd82206eb35eaadcf179acc9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/lib.rs:4:46
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stderr]   |                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/lib.rs:4:46
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stderr]   |                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/find_tldr-8ed91ceff987b02b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests find-tldr
[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] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:4:46
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stderr]   |                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "76cc577f1e07ade50b0be3c6334edd1a44b5d80ffd82206eb35eaadcf179acc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cc577f1e07ade50b0be3c6334edd1a44b5d80ffd82206eb35eaadcf179acc9", kill_on_drop: false }`
[INFO] [stdout] 76cc577f1e07ade50b0be3c6334edd1a44b5d80ffd82206eb35eaadcf179acc9