[INFO] fetching crate markdown-composer 0.3.0...
[INFO] checking markdown-composer-0.3.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate markdown-composer 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate markdown-composer 0.3.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate markdown-composer 0.3.0
[INFO] finished tweaking crates.io crate markdown-composer 0.3.0
[INFO] tweaked toml for crates.io crate markdown-composer 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate markdown-composer 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec155728481c1f851a95e57a2a79dfccdb6a0a4aec868845b3c9b0841e1e24ff
[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" "ec155728481c1f851a95e57a2a79dfccdb6a0a4aec868845b3c9b0841e1e24ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec155728481c1f851a95e57a2a79dfccdb6a0a4aec868845b3c9b0841e1e24ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec155728481c1f851a95e57a2a79dfccdb6a0a4aec868845b3c9b0841e1e24ff", kill_on_drop: false }`
[INFO] [stdout] ec155728481c1f851a95e57a2a79dfccdb6a0a4aec868845b3c9b0841e1e24ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f51e79c61f570f2fb8164e519dd924a4f1e0dd17574c5a2b902cf4d09c287d
[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" "23f51e79c61f570f2fb8164e519dd924a4f1e0dd17574c5a2b902cf4d09c287d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking tousize v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking markdown-composer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `markdown_composer::ListBuilder::add`: Please use the `append` function instead.
[INFO] [stdout]   --> examples/basic.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 .add("first")
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `markdown_composer::ListBuilder::add`: Please use the `append` function instead.
[INFO] [stdout]   --> examples/basic.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 .add("second")
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `markdown_composer::ListBuilder::add`: Please use the `append` function instead.
[INFO] [stdout]   --> examples/basic.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 .add(CheckmarkItem {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.17s
[INFO] running `Command { std: "docker" "inspect" "23f51e79c61f570f2fb8164e519dd924a4f1e0dd17574c5a2b902cf4d09c287d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f51e79c61f570f2fb8164e519dd924a4f1e0dd17574c5a2b902cf4d09c287d", kill_on_drop: false }`
[INFO] [stdout] 23f51e79c61f570f2fb8164e519dd924a4f1e0dd17574c5a2b902cf4d09c287d