[INFO] cloning repository https://github.com/HelloEdit/rust-cmark-gfm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HelloEdit/rust-cmark-gfm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHelloEdit%2Frust-cmark-gfm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHelloEdit%2Frust-cmark-gfm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55c795fc5839c946339a5c065ebd93ecf5f40b0e
[INFO] checking HelloEdit/rust-cmark-gfm against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHelloEdit%2Frust-cmark-gfm" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HelloEdit/rust-cmark-gfm on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HelloEdit/rust-cmark-gfm
[INFO] removed workspace from git repo https://github.com/HelloEdit/rust-cmark-gfm
[INFO] removed path dependency cmark-gfm-sys from git repo https://github.com/HelloEdit/rust-cmark-gfm
[INFO] finished tweaking git repo https://github.com/HelloEdit/rust-cmark-gfm
[INFO] tweaked toml for git repo https://github.com/HelloEdit/rust-cmark-gfm written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/HelloEdit/rust-cmark-gfm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bindgen v0.49.4
[INFO] [stderr]   Downloaded cmark-gfm-sys v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] fdfa878c192d5f20fff5c58b7fd635ab6bd435c140c851560debd8b3adda8818
[INFO] running `Command { std: "docker" "start" "-a" "fdfa878c192d5f20fff5c58b7fd635ab6bd435c140c851560debd8b3adda8818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdfa878c192d5f20fff5c58b7fd635ab6bd435c140c851560debd8b3adda8818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdfa878c192d5f20fff5c58b7fd635ab6bd435c140c851560debd8b3adda8818", kill_on_drop: false }`
[INFO] [stdout] fdfa878c192d5f20fff5c58b7fd635ab6bd435c140c851560debd8b3adda8818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9854d7604cdae88059618bac8074e6527663121e1e54fc1b4a2d07080d576da
[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" "c9854d7604cdae88059618bac8074e6527663121e1e54fc1b4a2d07080d576da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cmark-gfm-sys v0.29.0
[INFO] [stderr]     Checking cmark-gfm v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "c9854d7604cdae88059618bac8074e6527663121e1e54fc1b4a2d07080d576da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9854d7604cdae88059618bac8074e6527663121e1e54fc1b4a2d07080d576da", kill_on_drop: false }`
[INFO] [stdout] c9854d7604cdae88059618bac8074e6527663121e1e54fc1b4a2d07080d576da