[INFO] fetching crate cfg-match 0.2.1...
[INFO] checking cfg-match-0.2.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate cfg-match 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cfg-match 0.2.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfg-match 0.2.1
[INFO] finished tweaking crates.io crate cfg-match 0.2.1
[INFO] tweaked toml for crates.io crate cfg-match 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7b31f4ddf4f7dfdb2feb057c444c9340bebad1b5b7cb7fa5b44a9ba9a232e8b
[INFO] running `Command { std: "docker" "start" "-a" "a7b31f4ddf4f7dfdb2feb057c444c9340bebad1b5b7cb7fa5b44a9ba9a232e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7b31f4ddf4f7dfdb2feb057c444c9340bebad1b5b7cb7fa5b44a9ba9a232e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b31f4ddf4f7dfdb2feb057c444c9340bebad1b5b7cb7fa5b44a9ba9a232e8b", kill_on_drop: false }`
[INFO] [stdout] a7b31f4ddf4f7dfdb2feb057c444c9340bebad1b5b7cb7fa5b44a9ba9a232e8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c44e9fede2d6e0d07eb4b2c3b017df9d43f2882df1912b4ed0da62a2a71b9f13
[INFO] running `Command { std: "docker" "start" "-a" "c44e9fede2d6e0d07eb4b2c3b017df9d43f2882df1912b4ed0da62a2a71b9f13", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-match v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]  --> tests/smoke.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | cfg_match! {
[INFO] [stdout]   | ^^^^^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout]   = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]  --> tests/smoke.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cfg_match::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   = help: consider adding an explicit import of `cfg_match` to disambiguate
[INFO] [stdout]   = help: or use `crate::cfg_match` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]   --> tests/smoke.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | cfg_match! {
[INFO] [stdout]    | ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout]    = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]   --> tests/smoke.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use cfg_match::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `cfg_match` to disambiguate
[INFO] [stdout]    = help: or use `crate::cfg_match` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]   --> tests/smoke.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let f = cfg_match! {
[INFO] [stdout]    |             ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout]    = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]   --> tests/smoke.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use cfg_match::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `cfg_match` to disambiguate
[INFO] [stdout]    = help: or use `crate::cfg_match` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]   --> tests/smoke.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let f = cfg_match! {
[INFO] [stdout]    |             ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout]    = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]   --> tests/smoke.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use cfg_match::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `cfg_match` to disambiguate
[INFO] [stdout]    = help: or use `crate::cfg_match` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]   --> tests/smoke.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | cfg_match! {
[INFO] [stdout]    | ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout]    = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro imported here
[INFO] [stdout]   --> tests/smoke.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use cfg_match::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `cfg_match` to disambiguate
[INFO] [stdout]    = help: or use `crate::cfg_match` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `cfg-match` (test "smoke") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "c44e9fede2d6e0d07eb4b2c3b017df9d43f2882df1912b4ed0da62a2a71b9f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44e9fede2d6e0d07eb4b2c3b017df9d43f2882df1912b4ed0da62a2a71b9f13", kill_on_drop: false }`
[INFO] [stdout] c44e9fede2d6e0d07eb4b2c3b017df9d43f2882df1912b4ed0da62a2a71b9f13