[INFO] fetching crate rustc-ap-rustc_ast_pretty 727.0.0...
[INFO] testing rustc-ap-rustc_ast_pretty-727.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate rustc-ap-rustc_ast_pretty 727.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_ast_pretty 727.0.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_ast_pretty 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_ast_pretty 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_ast_pretty 727.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 5edaf667117979e843fa198bc50402f83be1e9ba5771888f3b1f599b18bceae2
[INFO] running `Command { std: "docker" "start" "-a" "5edaf667117979e843fa198bc50402f83be1e9ba5771888f3b1f599b18bceae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5edaf667117979e843fa198bc50402f83be1e9ba5771888f3b1f599b18bceae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5edaf667117979e843fa198bc50402f83be1e9ba5771888f3b1f599b18bceae2", kill_on_drop: false }`
[INFO] [stdout] 5edaf667117979e843fa198bc50402f83be1e9ba5771888f3b1f599b18bceae2
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe9effd295cccaacc5ac94a906737c516f543582e436edc334c11f73996adfa2
[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" "fe9effd295cccaacc5ac94a906737c516f543582e436edc334c11f73996adfa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-rustc_ast_pretty v727.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "fe9effd295cccaacc5ac94a906737c516f543582e436edc334c11f73996adfa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9effd295cccaacc5ac94a906737c516f543582e436edc334c11f73996adfa2", kill_on_drop: false }`
[INFO] [stdout] fe9effd295cccaacc5ac94a906737c516f543582e436edc334c11f73996adfa2
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 332d9d3e099288086c6c6a58dfe4abcf65190f376bde0e07d810d69b0cce275d
[INFO] running `Command { std: "docker" "start" "-a" "332d9d3e099288086c6c6a58dfe4abcf65190f376bde0e07d810d69b0cce275d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-rustc_ast_pretty v727.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "332d9d3e099288086c6c6a58dfe4abcf65190f376bde0e07d810d69b0cce275d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332d9d3e099288086c6c6a58dfe4abcf65190f376bde0e07d810d69b0cce275d", kill_on_drop: false }`
[INFO] [stdout] 332d9d3e099288086c6c6a58dfe4abcf65190f376bde0e07d810d69b0cce275d
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 8f7b0ea37ae0f82ea01ccf6ec6941cd2ab84c3220d5245d1ebcb181f0d62bf47
[INFO] running `Command { std: "docker" "start" "-a" "8f7b0ea37ae0f82ea01ccf6ec6941cd2ab84c3220d5245d1ebcb181f0d62bf47", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_ap_rustc_ast_pretty-2ba42fe3ba6236cf)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test pprust::tests::test_variant_to_string ... ok
[INFO] [stdout] test pprust::tests::test_fun_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f7b0ea37ae0f82ea01ccf6ec6941cd2ab84c3220d5245d1ebcb181f0d62bf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7b0ea37ae0f82ea01ccf6ec6941cd2ab84c3220d5245d1ebcb181f0d62bf47", kill_on_drop: false }`
[INFO] [stdout] 8f7b0ea37ae0f82ea01ccf6ec6941cd2ab84c3220d5245d1ebcb181f0d62bf47