[INFO] fetching crate Markdown-to-HTML-rs 0.1.0...
[INFO] testing Markdown-to-HTML-rs-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate Markdown-to-HTML-rs 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate Markdown-to-HTML-rs 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 Markdown-to-HTML-rs 0.1.0
[INFO] finished tweaking crates.io crate Markdown-to-HTML-rs 0.1.0
[INFO] tweaked toml for crates.io crate Markdown-to-HTML-rs 0.1.0 written to /workspace/builds/worker-3/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] [stderr] warning: only one of `license` or `license-file` is necessary
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3222159f2fb84274d30e0e68229d397a0f8cbd39dfabb059fe2c96d69e6a8bee
[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" "3222159f2fb84274d30e0e68229d397a0f8cbd39dfabb059fe2c96d69e6a8bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3222159f2fb84274d30e0e68229d397a0f8cbd39dfabb059fe2c96d69e6a8bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3222159f2fb84274d30e0e68229d397a0f8cbd39dfabb059fe2c96d69e6a8bee", kill_on_drop: false }`
[INFO] [stdout] 3222159f2fb84274d30e0e68229d397a0f8cbd39dfabb059fe2c96d69e6a8bee
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42df07e7b85f87231f3a7745cfd617e409c60fe13ad86f204cd4f664bdba8ed8
[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" "42df07e7b85f87231f3a7745cfd617e409c60fe13ad86f204cd4f664bdba8ed8", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling Markdown-to-HTML-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/lib.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/lib.rs:77:80
[INFO] [stdout]    |
[INFO] [stdout] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cap`
[INFO] [stdout]   --> src/lib.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn rule_replacer(cap: &Captures) -> String {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Markdown_to_HTML_rs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `markdown_to_html_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.98s
[INFO] running `Command { std: "docker" "inspect" "42df07e7b85f87231f3a7745cfd617e409c60fe13ad86f204cd4f664bdba8ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42df07e7b85f87231f3a7745cfd617e409c60fe13ad86f204cd4f664bdba8ed8", kill_on_drop: false }`
[INFO] [stdout] 42df07e7b85f87231f3a7745cfd617e409c60fe13ad86f204cd4f664bdba8ed8
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da966856138a9ce5a4a62e0e8e7065bd08b7cfcd6e69db3d628c4b295ce554f0
[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" "da966856138a9ce5a4a62e0e8e7065bd08b7cfcd6e69db3d628c4b295ce554f0", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling Markdown-to-HTML-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/lib.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/lib.rs:77:80
[INFO] [stdout]    |
[INFO] [stdout] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cap`
[INFO] [stdout]   --> src/lib.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn rule_replacer(cap: &Captures) -> String {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Markdown_to_HTML_rs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `markdown_to_html_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/lib.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/lib.rs:77:80
[INFO] [stdout]    |
[INFO] [stdout] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cap`
[INFO] [stdout]   --> src/lib.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn rule_replacer(cap: &Captures) -> String {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Markdown_to_HTML_rs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `markdown_to_html_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "da966856138a9ce5a4a62e0e8e7065bd08b7cfcd6e69db3d628c4b295ce554f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da966856138a9ce5a4a62e0e8e7065bd08b7cfcd6e69db3d628c4b295ce554f0", kill_on_drop: false }`
[INFO] [stdout] da966856138a9ce5a4a62e0e8e7065bd08b7cfcd6e69db3d628c4b295ce554f0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] d7d5d769b9469e053e5cb5bb118b8d4697aff886face6f1b640753a437a14b4b
[INFO] running `Command { std: "docker" "start" "-a" "d7d5d769b9469e053e5cb5bb118b8d4697aff886face6f1b640753a437a14b4b", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stderr]   --> src/lib.rs:77:30
[INFO] [stderr]    |
[INFO] [stderr] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stderr]   --> src/lib.rs:77:80
[INFO] [stderr]    |
[INFO] [stderr] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cap`
[INFO] [stderr]   --> src/lib.rs:80:18
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn rule_replacer(cap: &Captures) -> String {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Markdown_to_HTML_rs` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `markdown_to_html_rs`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stderr]   --> src/lib.rs:77:30
[INFO] [stderr]    |
[INFO] [stderr] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stderr]   --> src/lib.rs:77:80
[INFO] [stderr]    |
[INFO] [stderr] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cap`
[INFO] [stderr]   --> src/lib.rs:80:18
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn rule_replacer(cap: &Captures) -> String {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Markdown_to_HTML_rs` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `markdown_to_html_rs`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Markdown_to_HTML_rs-15233b09d6e8a8a7
[INFO] [stderr]    Doc-tests Markdown-to-HTML-rs
[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] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:77:30
[INFO] [stderr]    |
[INFO] [stderr] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `if` condition
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:77:80
[INFO] [stderr]    |
[INFO] [stderr] 77 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings 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" "d7d5d769b9469e053e5cb5bb118b8d4697aff886face6f1b640753a437a14b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d5d769b9469e053e5cb5bb118b8d4697aff886face6f1b640753a437a14b4b", kill_on_drop: false }`
[INFO] [stdout] d7d5d769b9469e053e5cb5bb118b8d4697aff886face6f1b640753a437a14b4b