[INFO] crate rustc-ap-rustc_ast_pretty 669.0.0 is already in cache
[INFO] checking rustc-ap-rustc_ast_pretty-669.0.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate rustc-ap-rustc_ast_pretty 669.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_ast_pretty 669.0.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_ast_pretty 669.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_ast_pretty 669.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_ast_pretty 669.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b111fc704bdc66d3742b1c8afff79c85010c41d9902463ef9e6dbe0f02cdede
[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" "4b111fc704bdc66d3742b1c8afff79c85010c41d9902463ef9e6dbe0f02cdede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b111fc704bdc66d3742b1c8afff79c85010c41d9902463ef9e6dbe0f02cdede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b111fc704bdc66d3742b1c8afff79c85010c41d9902463ef9e6dbe0f02cdede", kill_on_drop: false }`
[INFO] [stdout] 4b111fc704bdc66d3742b1c8afff79c85010c41d9902463ef9e6dbe0f02cdede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b24cdbe2d8e9a2e19a78b0ade60c787834438eeda87615641a1cecf9483c5e6e
[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" "b24cdbe2d8e9a2e19a78b0ade60c787834438eeda87615641a1cecf9483c5e6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v669.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v669.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v669.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v669.0.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling psm v0.1.10
[INFO] [stderr]    Compiling stacker v0.1.9
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v669.0.0
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v669.0.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v669.0.0
[INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-669.0.0/def_id.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / rustc_index::newtype_index! {
[INFO] [stdout] 12 | |     pub struct CrateId {
[INFO] [stdout] 13 | |         ENCODABLE = custom
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49146 <https://github.com/rust-lang/rust/issues/49146> for more information
[INFO] [stdout]    = help: add `#![feature(const_if_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-669.0.0/def_id.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / rustc_index::newtype_index! {
[INFO] [stdout] 12 | |     pub struct CrateId {
[INFO] [stdout] 13 | |         ENCODABLE = custom
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49146 <https://github.com/rust-lang/rust/issues/49146> for more information
[INFO] [stdout]    = help: add `#![feature(const_if_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-669.0.0/def_id.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | / rustc_index::newtype_index! {
[INFO] [stdout] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stdout] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stdout] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     }
[INFO] [stdout] 129 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #49146 <https://github.com/rust-lang/rust/issues/49146> for more information
[INFO] [stdout]     = help: add `#![feature(const_if_match)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-669.0.0/def_id.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | / rustc_index::newtype_index! {
[INFO] [stdout] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stdout] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stdout] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     }
[INFO] [stdout] 129 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #49146 <https://github.com/rust-lang/rust/issues/49146> for more information
[INFO] [stdout]     = help: add `#![feature(const_if_match)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-669.0.0/symbol.rs:1153:1
[INFO] [stdout]      |
[INFO] [stdout] 1153 | / rustc_index::newtype_index! {
[INFO] [stdout] 1154 | |     pub struct SymbolIndex { .. }
[INFO] [stdout] 1155 | | }
[INFO] [stdout]      | |_^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #49146 <https://github.com/rust-lang/rust/issues/49146> for more information
[INFO] [stdout]      = help: add `#![feature(const_if_match)]` to the crate attributes to enable
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-669.0.0/symbol.rs:1153:1
[INFO] [stdout]      |
[INFO] [stdout] 1153 | / rustc_index::newtype_index! {
[INFO] [stdout] 1154 | |     pub struct SymbolIndex { .. }
[INFO] [stdout] 1155 | | }
[INFO] [stdout]      | |_^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #49146 <https://github.com/rust-lang/rust/issues/49146> for more information
[INFO] [stdout]      = help: add `#![feature(const_if_match)]` to the crate attributes to enable
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_span`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b24cdbe2d8e9a2e19a78b0ade60c787834438eeda87615641a1cecf9483c5e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24cdbe2d8e9a2e19a78b0ade60c787834438eeda87615641a1cecf9483c5e6e", kill_on_drop: false }`
[INFO] [stdout] b24cdbe2d8e9a2e19a78b0ade60c787834438eeda87615641a1cecf9483c5e6e