[INFO] fetching crate rustc-ap-rustc_session 689.0.0...
[INFO] checking rustc-ap-rustc_session-689.0.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate rustc-ap-rustc_session 689.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_session 689.0.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_session 689.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_session 689.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_session 689.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v689.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v689.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v689.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v689.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v689.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v689.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v689.0.0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ca1c526bec6d6bc06ce2148ea34646795131411a88b9353621f4ba992c41c33
[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" "8ca1c526bec6d6bc06ce2148ea34646795131411a88b9353621f4ba992c41c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ca1c526bec6d6bc06ce2148ea34646795131411a88b9353621f4ba992c41c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca1c526bec6d6bc06ce2148ea34646795131411a88b9353621f4ba992c41c33", kill_on_drop: false }`
[INFO] [stdout] 8ca1c526bec6d6bc06ce2148ea34646795131411a88b9353621f4ba992c41c33
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56217ba05e801c1e37192bbe0e60a3f4953274a1fdca5dfbe54fb69b7b6dc6e
[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" "b56217ba05e801c1e37192bbe0e60a3f4953274a1fdca5dfbe54fb69b7b6dc6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v689.0.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v689.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v689.0.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v689.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[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 indexmap v1.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking measureme v9.0.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v689.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling stacker v0.1.12
[INFO] [stderr]     Checking rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v689.0.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking rustc-ap-rustc_index v689.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v689.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v689.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast v689.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_target v689.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_feature v689.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_lint_defs v689.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v689.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_session v689.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.48s
[INFO] running `Command { std: "docker" "inspect" "b56217ba05e801c1e37192bbe0e60a3f4953274a1fdca5dfbe54fb69b7b6dc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56217ba05e801c1e37192bbe0e60a3f4953274a1fdca5dfbe54fb69b7b6dc6e", kill_on_drop: false }`
[INFO] [stdout] b56217ba05e801c1e37192bbe0e60a3f4953274a1fdca5dfbe54fb69b7b6dc6e