[INFO] fetching crate unrest_tmp_synom 0.1.0...
[INFO] testing unrest_tmp_synom-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate unrest_tmp_synom 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate unrest_tmp_synom 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unrest_tmp_synom 0.1.0
[INFO] finished tweaking crates.io crate unrest_tmp_synom 0.1.0
[INFO] tweaked toml for crates.io crate unrest_tmp_synom 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.1.10
[INFO] [stderr]   Downloaded unrest_tmp_quote v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c5ef71ca3df3809774abda1d01295ce11340aad1f09ac3df4912578d708dc91
[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" "0c5ef71ca3df3809774abda1d01295ce11340aad1f09ac3df4912578d708dc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c5ef71ca3df3809774abda1d01295ce11340aad1f09ac3df4912578d708dc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5ef71ca3df3809774abda1d01295ce11340aad1f09ac3df4912578d708dc91", kill_on_drop: false }`
[INFO] [stdout] 0c5ef71ca3df3809774abda1d01295ce11340aad1f09ac3df4912578d708dc91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad31e2b8ea49c7efb4a5ee6fada0b6af47dba9ac794a2b4969361895a7c68989
[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" "ad31e2b8ea49c7efb4a5ee6fada0b6af47dba9ac794a2b4969361895a7c68989", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.1.10
[INFO] [stderr]    Compiling unrest_tmp_synom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |         <str as fmt::Display>::fmt(self.description(), f)
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "ad31e2b8ea49c7efb4a5ee6fada0b6af47dba9ac794a2b4969361895a7c68989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad31e2b8ea49c7efb4a5ee6fada0b6af47dba9ac794a2b4969361895a7c68989", kill_on_drop: false }`
[INFO] [stdout] ad31e2b8ea49c7efb4a5ee6fada0b6af47dba9ac794a2b4969361895a7c68989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f9b8a235b431b4030e99289eb1d70d6a6eae9494b67c66cc95551a3762797b2
[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" "7f9b8a235b431b4030e99289eb1d70d6a6eae9494b67c66cc95551a3762797b2", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |         <str as fmt::Display>::fmt(self.description(), f)
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unrest_tmp_synom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |         <str as fmt::Display>::fmt(self.description(), f)
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "7f9b8a235b431b4030e99289eb1d70d6a6eae9494b67c66cc95551a3762797b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9b8a235b431b4030e99289eb1d70d6a6eae9494b67c66cc95551a3762797b2", kill_on_drop: false }`
[INFO] [stdout] 7f9b8a235b431b4030e99289eb1d70d6a6eae9494b67c66cc95551a3762797b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 265d789600b965b882ff4167413d0b6abc08d7bb8f54ec393a019db221ead7ad
[INFO] running `Command { std: "docker" "start" "-a" "265d789600b965b882ff4167413d0b6abc08d7bb8f54ec393a019db221ead7ad", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:81:41
[INFO] [stderr]    |
[INFO] [stderr] 81 |         <str as fmt::Display>::fmt(self.description(), f)
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unrest_tmp_synom` (lib) generated 1 warning
[INFO] [stderr] warning: `unrest_tmp_synom` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unrest_tmp_synom-a15e528c94169bc5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests unrest_tmp_synom
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - do_parse (line 725) ... FAILED
[INFO] [stdout] test src/lib.rs - peek (line 419) ... FAILED
[INFO] [stdout] test src/lib.rs - alt (line 652) ... FAILED
[INFO] [stdout] test src/lib.rs - switch (line 451) ... FAILED
[INFO] [stdout] test src/lib.rs - named (line 115) ... FAILED
[INFO] [stdout] test src/lib.rs - terminated (line 287) ... FAILED
[INFO] [stdout] test src/lib.rs - tuple (line 579) ... FAILED
[INFO] [stdout] test src/lib.rs - many0 (line 336) ... FAILED
[INFO] [stdout] test src/lib.rs - map (line 174) ... FAILED
[INFO] [stdout] test src/lib.rs - value (line 520) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - do_parse (line 725) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:726:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - peek (line 419) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:420:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - alt (line 652) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:653:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - switch (line 451) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:452:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - named (line 115) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:116:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - terminated (line 287) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:288:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - tuple (line 579) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:580:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - many0 (line 336) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:337:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - map (line 174) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:175:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - value (line 520) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:521:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - alt (line 652)
[INFO] [stdout]     src/lib.rs - do_parse (line 725)
[INFO] [stdout]     src/lib.rs - many0 (line 336)
[INFO] [stdout]     src/lib.rs - map (line 174)
[INFO] [stdout]     src/lib.rs - named (line 115)
[INFO] [stdout]     src/lib.rs - peek (line 419)
[INFO] [stdout]     src/lib.rs - switch (line 451)
[INFO] [stdout]     src/lib.rs - terminated (line 287)
[INFO] [stdout]     src/lib.rs - tuple (line 579)
[INFO] [stdout]     src/lib.rs - value (line 520)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 10 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "265d789600b965b882ff4167413d0b6abc08d7bb8f54ec393a019db221ead7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265d789600b965b882ff4167413d0b6abc08d7bb8f54ec393a019db221ead7ad", kill_on_drop: false }`
[INFO] [stdout] 265d789600b965b882ff4167413d0b6abc08d7bb8f54ec393a019db221ead7ad