[INFO] fetching crate rustc-ap-rustc_ast_pretty 727.0.0...
[INFO] testing rustc-ap-rustc_ast_pretty-727.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate rustc-ap-rustc_ast_pretty 727.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_ast_pretty 727.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d62e09f0a8d723416415b01f53307a7e7743ecc1641952a96e40e5db1460943c
[INFO] running `Command { std: "docker" "start" "-a" "d62e09f0a8d723416415b01f53307a7e7743ecc1641952a96e40e5db1460943c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d62e09f0a8d723416415b01f53307a7e7743ecc1641952a96e40e5db1460943c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62e09f0a8d723416415b01f53307a7e7743ecc1641952a96e40e5db1460943c", kill_on_drop: false }`
[INFO] [stdout] d62e09f0a8d723416415b01f53307a7e7743ecc1641952a96e40e5db1460943c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b7bf4e774d02b83100b3442dc3945aeb69192e746b4a4b4f7d5bea5bfb88d43
[INFO] running `Command { std: "docker" "start" "-a" "3b7bf4e774d02b83100b3442dc3945aeb69192e746b4a4b4f7d5bea5bfb88d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v727.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v727.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_serialize v727.0.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling psm v0.1.13
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling perf-event-open-sys v1.0.1
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling measureme v9.1.2
[INFO] [stderr]    Compiling rustc-rayon v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v727.0.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling rustc-ap-rustc_index v727.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_data_structures v727.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_arena v727.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_span v727.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v727.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast_pretty v727.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.00s
[INFO] running `Command { std: "docker" "inspect" "3b7bf4e774d02b83100b3442dc3945aeb69192e746b4a4b4f7d5bea5bfb88d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7bf4e774d02b83100b3442dc3945aeb69192e746b4a4b4f7d5bea5bfb88d43", kill_on_drop: false }`
[INFO] [stdout] 3b7bf4e774d02b83100b3442dc3945aeb69192e746b4a4b4f7d5bea5bfb88d43
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 933b2065a73884d9328059393465a4fc5db401d04b2a1b66085e3a5be0d91b3c
[INFO] running `Command { std: "docker" "start" "-a" "933b2065a73884d9328059393465a4fc5db401d04b2a1b66085e3a5be0d91b3c", 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 2.57s
[INFO] running `Command { std: "docker" "inspect" "933b2065a73884d9328059393465a4fc5db401d04b2a1b66085e3a5be0d91b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933b2065a73884d9328059393465a4fc5db401d04b2a1b66085e3a5be0d91b3c", kill_on_drop: false }`
[INFO] [stdout] 933b2065a73884d9328059393465a4fc5db401d04b2a1b66085e3a5be0d91b3c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 861b6dde29475154802df52a9115b645a8e8d9a68cd86f0b16afcc9913c9e4ad
[INFO] running `Command { std: "docker" "start" "-a" "861b6dde29475154802df52a9115b645a8e8d9a68cd86f0b16afcc9913c9e4ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_ap_rustc_ast_pretty-4681c3f76a05d88e)
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "861b6dde29475154802df52a9115b645a8e8d9a68cd86f0b16afcc9913c9e4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861b6dde29475154802df52a9115b645a8e8d9a68cd86f0b16afcc9913c9e4ad", kill_on_drop: false }`
[INFO] [stdout] 861b6dde29475154802df52a9115b645a8e8d9a68cd86f0b16afcc9913c9e4ad