[INFO] fetching crate md_gen 0.1.0...
[INFO] testing md_gen-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate md_gen 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate md_gen 0.1.0
[INFO] finished tweaking crates.io crate md_gen 0.1.0
[INFO] tweaked toml for crates.io crate md_gen 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate md_gen 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate md_gen 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c57b781c1089cfe8b93f85c7f9d577bdf2af04d9433df03f15eb2df877d6e42
[INFO] running `Command { std: "docker" "start" "-a" "4c57b781c1089cfe8b93f85c7f9d577bdf2af04d9433df03f15eb2df877d6e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c57b781c1089cfe8b93f85c7f9d577bdf2af04d9433df03f15eb2df877d6e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c57b781c1089cfe8b93f85c7f9d577bdf2af04d9433df03f15eb2df877d6e42", kill_on_drop: false }`
[INFO] [stdout] 4c57b781c1089cfe8b93f85c7f9d577bdf2af04d9433df03f15eb2df877d6e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c883c1f0e6d0d404a3bbd1fb37d813d30ac7249e735342c746517594c8f73d99
[INFO] running `Command { std: "docker" "start" "-a" "c883c1f0e6d0d404a3bbd1fb37d813d30ac7249e735342c746517594c8f73d99", kill_on_drop: false }`
[INFO] [stderr]    Compiling md_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/md_gen/markdown.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(filename: &str) -> Markdown {
[INFO] [stdout]    |                          ^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(filename: &str) -> Markdown<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "c883c1f0e6d0d404a3bbd1fb37d813d30ac7249e735342c746517594c8f73d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c883c1f0e6d0d404a3bbd1fb37d813d30ac7249e735342c746517594c8f73d99", kill_on_drop: false }`
[INFO] [stdout] c883c1f0e6d0d404a3bbd1fb37d813d30ac7249e735342c746517594c8f73d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff302c87d69fc4fa63f2dd0af1873993dfdd113bc3be46e6cb2fdc7cd8102bc
[INFO] running `Command { std: "docker" "start" "-a" "6ff302c87d69fc4fa63f2dd0af1873993dfdd113bc3be46e6cb2fdc7cd8102bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling md_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/md_gen/markdown.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(filename: &str) -> Markdown {
[INFO] [stdout]    |                          ^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(filename: &str) -> Markdown<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/md_gen/markdown.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(filename: &str) -> Markdown {
[INFO] [stdout]    |                          ^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(filename: &str) -> Markdown<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "6ff302c87d69fc4fa63f2dd0af1873993dfdd113bc3be46e6cb2fdc7cd8102bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff302c87d69fc4fa63f2dd0af1873993dfdd113bc3be46e6cb2fdc7cd8102bc", kill_on_drop: false }`
[INFO] [stdout] 6ff302c87d69fc4fa63f2dd0af1873993dfdd113bc3be46e6cb2fdc7cd8102bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c53e0449c467441806a3323c3bee5fde93644d071a07876373a5ba592ec6a2f9
[INFO] running `Command { std: "docker" "start" "-a" "c53e0449c467441806a3323c3bee5fde93644d071a07876373a5ba592ec6a2f9", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/md_gen/markdown.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(filename: &str) -> Markdown {
[INFO] [stderr]    |                          ^^^^     -------- the same lifetime is hidden here
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(filename: &str) -> Markdown<'_> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `md_gen` (lib) generated 1 warning
[INFO] [stderr] warning: `md_gen` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/md_gen-6cea3db36a326679)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test tests::test_add_blank_line ... ok
[INFO] [stdout] test tests::test_add_blockquote ... ok
[INFO] [stdout] test tests::test_add_blockquoted_unordered_list ... ok
[INFO] [stdout] test tests::test_add_blockquote_with_multilines ... ok
[INFO] [stdout] test tests::test_add_horizontal_rule ... ok
[INFO] [stdout] test tests::test_add_definition ... ok
[INFO] [stdout] test tests::test_add_image ... ok
[INFO] [stdout] test tests::test_add_link ... ok
[INFO] [stdout] test tests::test_add_lvl2_heading ... ok
[INFO] [stdout] test tests::test_add_lvl1_heading ... ok
[INFO] [stdout] test tests::test_add_lvl3_heading ... ok
[INFO] [stdout] test tests::test_add_main_heading ... ok
[INFO] [stdout] test tests::test_add_meta_data ... ok
[INFO] [stdout] test tests::test_add_multilines_code ... ok
[INFO] [stdout] test tests::test_add_ordered_list ... ok
[INFO] [stdout] test tests::test_add_simple_code ... ok
[INFO] [stdout] test tests::test_add_specific_code ... ok
[INFO] [stdout] test tests::test_add_table_headers ... ok
[INFO] [stdout] test tests::test_add_table_row ... ok
[INFO] [stdout] test tests::test_add_text ... ok
[INFO] [stdout] test tests::test_doc_composition ... ok
[INFO] [stdout] test tests::test_add_unordered_list ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/md_gen-4e75ab861f161350)
[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] [stderr]    Doc-tests md_gen
[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" "c53e0449c467441806a3323c3bee5fde93644d071a07876373a5ba592ec6a2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53e0449c467441806a3323c3bee5fde93644d071a07876373a5ba592ec6a2f9", kill_on_drop: false }`
[INFO] [stdout] c53e0449c467441806a3323c3bee5fde93644d071a07876373a5ba592ec6a2f9