[INFO] fetching crate minimad 0.6.7...
[INFO] testing minimad-0.6.7 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate minimad 0.6.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate minimad 0.6.7 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 minimad 0.6.7
[INFO] finished tweaking crates.io crate minimad 0.6.7
[INFO] tweaked toml for crates.io crate minimad 0.6.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate minimad 0.6.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc2c532fba4574fabf6dda767393211504207067d1f3ef6f003a8cc7f8bfe54f
[INFO] running `Command { std: "docker" "start" "-a" "cc2c532fba4574fabf6dda767393211504207067d1f3ef6f003a8cc7f8bfe54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc2c532fba4574fabf6dda767393211504207067d1f3ef6f003a8cc7f8bfe54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2c532fba4574fabf6dda767393211504207067d1f3ef6f003a8cc7f8bfe54f", kill_on_drop: false }`
[INFO] [stdout] cc2c532fba4574fabf6dda767393211504207067d1f3ef6f003a8cc7f8bfe54f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d39e922ff5bf5e017e55a47ff627b9f15755da0679ec0ef427139dce3bd4f8c2
[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" "d39e922ff5bf5e017e55a47ff627b9f15755da0679ec0ef427139dce3bd4f8c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimad v0.6.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "d39e922ff5bf5e017e55a47ff627b9f15755da0679ec0ef427139dce3bd4f8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39e922ff5bf5e017e55a47ff627b9f15755da0679ec0ef427139dce3bd4f8c2", kill_on_drop: false }`
[INFO] [stdout] d39e922ff5bf5e017e55a47ff627b9f15755da0679ec0ef427139dce3bd4f8c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 539519cd25d01a35d8d6ca0ba750b5fe63721fafe7a8c696ceed4660298518f6
[INFO] running `Command { std: "docker" "start" "-a" "539519cd25d01a35d8d6ca0ba750b5fe63721fafe7a8c696ceed4660298518f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimad v0.6.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> examples/late-composite/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (args, c) = lc.explode();
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/late-composite/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut composite = self.template.raw_composite();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `arg_idx` is never read
[INFO] [stdout]    --> src/inline_template.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             arg_idx += 1;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |         let composite = mad_inline!("**$1:** `$0`", "π*r²", "area");
[INFO] [stdout]     |                         ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/inline_template.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut composite = TEMPLATE.raw_composite();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 178 |         let composite = mad_inline!("some `code`");
[INFO] [stdout]     |                         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "539519cd25d01a35d8d6ca0ba750b5fe63721fafe7a8c696ceed4660298518f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539519cd25d01a35d8d6ca0ba750b5fe63721fafe7a8c696ceed4660298518f6", kill_on_drop: false }`
[INFO] [stdout] 539519cd25d01a35d8d6ca0ba750b5fe63721fafe7a8c696ceed4660298518f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 13160de891c7a11134d705c1ca3fc678fda47c4a9abf46b5d763d9858ae9e689
[INFO] running `Command { std: "docker" "start" "-a" "13160de891c7a11134d705c1ca3fc678fda47c4a9abf46b5d763d9858ae9e689", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `arg_idx` is never read
[INFO] [stderr]    --> src/inline_template.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             arg_idx += 1;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 190 |         let composite = mad_inline!("**$1:** `$0`", "π*r²", "area");
[INFO] [stderr]     |                         ------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/inline_template.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut composite = TEMPLATE.raw_composite();
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 178 |         let composite = mad_inline!("some `code`");
[INFO] [stderr]     |                         -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> examples/late-composite/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let (args, c) = lc.explode();
[INFO] [stderr]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/late-composite/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut composite = self.template.raw_composite();
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minimad-1524069cae540f9a
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test composite::tests::composite_remove_chars ... ok
[INFO] [stdout] test clean::test_lines_cleaning ... ok
[INFO] [stdout] test composite::tests::composite_trim ... ok
[INFO] [stdout] test composite::tests::empty_composite_trim ... ok
[INFO] [stdout] test inline_template::tests::simple_template_parsing ... ok
[INFO] [stdout] test line::count_chars ... ok
[INFO] [stdout] test line_parser::header_level_count ... ok
[INFO] [stdout] test line_parser::tests::code_after_italic ... ok
[INFO] [stdout] test line_parser::tests::code_fence ... ok
[INFO] [stdout] test line_parser::tests::horizontal_rule ... ok
[INFO] [stdout] test line_parser::tests::simple_line_parsing ... ok
[INFO] [stdout] test line_parser::tests::line_of_code ... ok
[INFO] [stdout] test line_parser::tests::list_item ... ok
[INFO] [stdout] test line_parser::tests::quote ... ok
[INFO] [stdout] test line_parser::tests::single_star ... ok
[INFO] [stdout] test line_parser::tests::table_alignments ... ok
[INFO] [stdout] test line_parser::tests::nested_styles_parsing ... ok
[INFO] [stdout] test line_parser::tests::table_row ... ok
[INFO] [stdout] test inline_template::tests::macro_empty_composition ... ok
[INFO] [stdout] test inline_template::tests::macro_complex_composition ... ok
[INFO] [stdout] test inline_template::tests::simple_composition ... ok
[INFO] [stdout] test line_parser::tests::tight_sequence ... ok
[INFO] [stdout] test text::tests::indented_code_between_fences ... ok
[INFO] [stdout] test line_parser::tests::single_tilde ... ok
[INFO] [stdout] test line_parser::tests::striked_after_italic ... ok
[INFO] [stderr]    Doc-tests minimad
[INFO] [stdout] test composite::tests::composite_trim_keep_code ... ok
[INFO] [stdout] test line_parser::tests::styled_header ... ok
[INFO] [stdout] test line_parser::tests::standard_header ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/composite.rs - composite::Composite::char_length (line 73) ... ok
[INFO] [stdout] test src/text.rs - text::Text::from_md_lines (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13160de891c7a11134d705c1ca3fc678fda47c4a9abf46b5d763d9858ae9e689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13160de891c7a11134d705c1ca3fc678fda47c4a9abf46b5d763d9858ae9e689", kill_on_drop: false }`
[INFO] [stdout] 13160de891c7a11134d705c1ca3fc678fda47c4a9abf46b5d763d9858ae9e689