[INFO] fetching crate rustc-ap-rustc_session 686.0.0...
[INFO] checking rustc-ap-rustc_session-686.0.0 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate rustc-ap-rustc_session 686.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_session 686.0.0 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_session 686.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_session 686.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_session 686.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fec43b78c1f92c5ebcdc7ba7e393878360fa64e123cc916bac4636f4e2ee7dc
[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" "9fec43b78c1f92c5ebcdc7ba7e393878360fa64e123cc916bac4636f4e2ee7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fec43b78c1f92c5ebcdc7ba7e393878360fa64e123cc916bac4636f4e2ee7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fec43b78c1f92c5ebcdc7ba7e393878360fa64e123cc916bac4636f4e2ee7dc", kill_on_drop: false }`
[INFO] [stdout] 9fec43b78c1f92c5ebcdc7ba7e393878360fa64e123cc916bac4636f4e2ee7dc
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2edbee1540351f3014d0c880cf40f9f68d884953bbc0c65c218b8b6fe159d40b
[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" "2edbee1540351f3014d0c880cf40f9f68d884953bbc0c65c218b8b6fe159d40b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v686.0.0
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v686.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v686.0.0
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking stacker v0.1.12
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking measureme v9.0.0
[INFO] [stderr]     Checking rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v686.0.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking rustc-ap-rustc_index v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_target v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_feature v686.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_session v686.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "2edbee1540351f3014d0c880cf40f9f68d884953bbc0c65c218b8b6fe159d40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edbee1540351f3014d0c880cf40f9f68d884953bbc0c65c218b8b6fe159d40b", kill_on_drop: false }`
[INFO] [stdout] 2edbee1540351f3014d0c880cf40f9f68d884953bbc0c65c218b8b6fe159d40b