[INFO] cloning repository https://github.com/FuGangqiang/cmark.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FuGangqiang/cmark.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuGangqiang%2Fcmark.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuGangqiang%2Fcmark.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fb2a74b726a0030c1fa98bbbf52d38bfdd0e8a92 [INFO] checking FuGangqiang/cmark.rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuGangqiang%2Fcmark.rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FuGangqiang/cmark.rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FuGangqiang/cmark.rs [INFO] finished tweaking git repo https://github.com/FuGangqiang/cmark.rs [INFO] tweaked toml for git repo https://github.com/FuGangqiang/cmark.rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/FuGangqiang/cmark.rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vec_map v0.8.0 [INFO] [stderr] Downloaded unicode-width v0.1.4 [INFO] [stderr] Downloaded quote v0.4.2 [INFO] [stderr] Downloaded wincolor v0.1.6 [INFO] [stderr] Downloaded cfg-if v0.1.2 [INFO] [stderr] Downloaded atty v0.2.8 [INFO] [stderr] Downloaded termcolor v0.3.6 [INFO] [stderr] Downloaded proc-macro2 v0.2.3 [INFO] [stderr] Downloaded quick-error v1.2.1 [INFO] [stderr] Downloaded aho-corasick v0.6.4 [INFO] [stderr] Downloaded thread_local v0.3.5 [INFO] [stderr] Downloaded getopts v0.2.17 [INFO] [stderr] Downloaded pulldown-cmark v0.1.2 [INFO] [stderr] Downloaded clap v2.31.2 [INFO] [stderr] Downloaded regex-syntax v0.5.3 [INFO] [stderr] Downloaded libc v0.2.40 [INFO] [stderr] Downloaded regex v0.2.10 [INFO] [stderr] Downloaded syn v0.12.15 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded env_logger v0.5.6 [INFO] [stderr] Downloaded structopt v0.2.6 [INFO] [stderr] Downloaded structopt-derive v0.2.6 [INFO] [stderr] Downloaded memchr v2.0.1 [INFO] [stderr] Downloaded lazy_static v1.0.0 [INFO] [stderr] Downloaded utf8-ranges v1.0.0 [INFO] [stderr] Downloaded log v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 802076c6912b3bdfe080b417c54985989aa37a50f7e60add335b6cd7d4f746cc [INFO] running `Command { std: "docker" "start" "-a" "802076c6912b3bdfe080b417c54985989aa37a50f7e60add335b6cd7d4f746cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "802076c6912b3bdfe080b417c54985989aa37a50f7e60add335b6cd7d4f746cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "802076c6912b3bdfe080b417c54985989aa37a50f7e60add335b6cd7d4f746cc", kill_on_drop: false }` [INFO] [stdout] 802076c6912b3bdfe080b417c54985989aa37a50f7e60add335b6cd7d4f746cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2310bbb7e7eb113e9e7cfb5c491312b0496151d2aa28e93c56e76e2a8ff3dac [INFO] running `Command { std: "docker" "start" "-a" "c2310bbb7e7eb113e9e7cfb5c491312b0496151d2aa28e93c56e76e2a8ff3dac", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking getopts v0.2.17 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking regex-syntax v0.5.3 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Compiling structopt-derive v0.2.6 [INFO] [stderr] Checking structopt v0.2.6 [INFO] [stderr] Checking env_logger v0.5.6 [INFO] [stderr] Checking cmark v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.76s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "c2310bbb7e7eb113e9e7cfb5c491312b0496151d2aa28e93c56e76e2a8ff3dac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2310bbb7e7eb113e9e7cfb5c491312b0496151d2aa28e93c56e76e2a8ff3dac", kill_on_drop: false }` [INFO] [stdout] c2310bbb7e7eb113e9e7cfb5c491312b0496151d2aa28e93c56e76e2a8ff3dac [INFO] checking FuGangqiang/cmark.rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuGangqiang%2Fcmark.rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FuGangqiang/cmark.rs on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FuGangqiang/cmark.rs [INFO] finished tweaking git repo https://github.com/FuGangqiang/cmark.rs [INFO] tweaked toml for git repo https://github.com/FuGangqiang/cmark.rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/FuGangqiang/cmark.rs 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de1ac68ad402421ded572a96c8f9ebc88d1ff0ccbca9cbd60f85e3ec4245af59 [INFO] running `Command { std: "docker" "start" "-a" "de1ac68ad402421ded572a96c8f9ebc88d1ff0ccbca9cbd60f85e3ec4245af59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de1ac68ad402421ded572a96c8f9ebc88d1ff0ccbca9cbd60f85e3ec4245af59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de1ac68ad402421ded572a96c8f9ebc88d1ff0ccbca9cbd60f85e3ec4245af59", kill_on_drop: false }` [INFO] [stdout] de1ac68ad402421ded572a96c8f9ebc88d1ff0ccbca9cbd60f85e3ec4245af59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8a8111bdfcd660efb14a178fdbaf2a8437cf3fe8892451322818a0e4b762160 [INFO] running `Command { std: "docker" "start" "-a" "f8a8111bdfcd660efb14a178fdbaf2a8437cf3fe8892451322818a0e4b762160", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking getopts v0.2.17 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Compiling structopt-derive v0.2.6 [INFO] [stderr] Checking env_logger v0.5.6 [INFO] [stderr] Checking structopt v0.2.6 [INFO] [stderr] Checking cmark v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.56s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "f8a8111bdfcd660efb14a178fdbaf2a8437cf3fe8892451322818a0e4b762160", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8a8111bdfcd660efb14a178fdbaf2a8437cf3fe8892451322818a0e4b762160", kill_on_drop: false }` [INFO] [stdout] f8a8111bdfcd660efb14a178fdbaf2a8437cf3fe8892451322818a0e4b762160