[INFO] fetching crate streamparser 0.1.0...
[INFO] checking streamparser-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate streamparser 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate streamparser 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streamparser 0.1.0
[INFO] finished tweaking crates.io crate streamparser 0.1.0
[INFO] tweaked toml for crates.io crate streamparser 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded direct-executor v0.3.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba6f8235af512e107b70ea19cf0138868b42e403780dc52cbbf1f31224c16e8f
[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" "ba6f8235af512e107b70ea19cf0138868b42e403780dc52cbbf1f31224c16e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6f8235af512e107b70ea19cf0138868b42e403780dc52cbbf1f31224c16e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6f8235af512e107b70ea19cf0138868b42e403780dc52cbbf1f31224c16e8f", kill_on_drop: false }`
[INFO] [stdout] ba6f8235af512e107b70ea19cf0138868b42e403780dc52cbbf1f31224c16e8f
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3605045dd2ad2287e00dc8d7422e85252d1d9d372dedaad9bfe14512bba46fca
[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" "3605045dd2ad2287e00dc8d7422e85252d1d9d372dedaad9bfe14512bba46fca", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking direct-executor v0.3.0
[INFO] [stderr]     Checking streamparser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/utf8.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             assert_matches!(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/utf8.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/utf8.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             assert_matches!(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/utf8.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/utf8.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             assert_matches!(p.parse(b""), Err(Utf8AdapterError::Underlying(Error)));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/utf8.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/utf8.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             assert_matches!(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/utf8.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/utf8.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |             assert_matches!(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/utf8.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/utf8.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |             assert_matches!(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/utf8.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/utf8.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |             assert_matches!(p.parse_eof(b""), Err(Utf8AdapterError::Underlying(Error)));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/utf8.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `streamparser`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3605045dd2ad2287e00dc8d7422e85252d1d9d372dedaad9bfe14512bba46fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3605045dd2ad2287e00dc8d7422e85252d1d9d372dedaad9bfe14512bba46fca", kill_on_drop: false }`
[INFO] [stdout] 3605045dd2ad2287e00dc8d7422e85252d1d9d372dedaad9bfe14512bba46fca