[INFO] fetching crate rustc-ap-rustc_ast_pretty 720.0.0...
[INFO] testing rustc-ap-rustc_ast_pretty-720.0.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate rustc-ap-rustc_ast_pretty 720.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_ast_pretty 720.0.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_ast_pretty 720.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_ast_pretty 720.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_ast_pretty 720.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c85db2520d8a4b9fc754ff159aebf600130d9f88bee4c3bddcb230767df5c1a
[INFO] running `Command { std: "docker" "start" "-a" "1c85db2520d8a4b9fc754ff159aebf600130d9f88bee4c3bddcb230767df5c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c85db2520d8a4b9fc754ff159aebf600130d9f88bee4c3bddcb230767df5c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c85db2520d8a4b9fc754ff159aebf600130d9f88bee4c3bddcb230767df5c1a", kill_on_drop: false }`
[INFO] [stdout] 1c85db2520d8a4b9fc754ff159aebf600130d9f88bee4c3bddcb230767df5c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c381b73a437ab99f8f37e19191bea449a62847e9782dc10b9b2131908081019d
[INFO] running `Command { std: "docker" "start" "-a" "c381b73a437ab99f8f37e19191bea449a62847e9782dc10b9b2131908081019d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cpufeatures v0.1.4
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v720.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling psm v0.1.13
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v720.0.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[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 v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling measureme v9.1.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rustc-rayon v0.3.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v720.0.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling rustc-ap-rustc_index v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_data_structures v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_arena v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_span v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast_pretty v720.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.76s
[INFO] running `Command { std: "docker" "inspect" "c381b73a437ab99f8f37e19191bea449a62847e9782dc10b9b2131908081019d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c381b73a437ab99f8f37e19191bea449a62847e9782dc10b9b2131908081019d", kill_on_drop: false }`
[INFO] [stdout] c381b73a437ab99f8f37e19191bea449a62847e9782dc10b9b2131908081019d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb132b404914f54c80571cd0cb5fd73fde539ddf305be3028f91420f24c68f50
[INFO] running `Command { std: "docker" "start" "-a" "eb132b404914f54c80571cd0cb5fd73fde539ddf305be3028f91420f24c68f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-rustc_ast_pretty v720.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "eb132b404914f54c80571cd0cb5fd73fde539ddf305be3028f91420f24c68f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb132b404914f54c80571cd0cb5fd73fde539ddf305be3028f91420f24c68f50", kill_on_drop: false }`
[INFO] [stdout] eb132b404914f54c80571cd0cb5fd73fde539ddf305be3028f91420f24c68f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d40ab12d2b5549fbeb27682ed3180d0a2f80e149ac10b55834af45a0e30a4a2e
[INFO] running `Command { std: "docker" "start" "-a" "d40ab12d2b5549fbeb27682ed3180d0a2f80e149ac10b55834af45a0e30a4a2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_ap_rustc_ast_pretty-c146e38e0e3e2e6a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test pprust::tests::test_fun_to_string ... ok
[INFO] [stdout] test pprust::tests::test_variant_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" "d40ab12d2b5549fbeb27682ed3180d0a2f80e149ac10b55834af45a0e30a4a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40ab12d2b5549fbeb27682ed3180d0a2f80e149ac10b55834af45a0e30a4a2e", kill_on_drop: false }`
[INFO] [stdout] d40ab12d2b5549fbeb27682ed3180d0a2f80e149ac10b55834af45a0e30a4a2e