[INFO] fetching crate futures-await-synom 0.12.0...
[INFO] testing futures-await-synom-0.12.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate futures-await-synom 0.12.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate futures-await-synom 0.12.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-await-synom 0.12.0
[INFO] finished tweaking crates.io crate futures-await-synom 0.12.0
[INFO] tweaked toml for crates.io crate futures-await-synom 0.12.0 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.1.10
[INFO] [stderr]   Downloaded futures-await-quote v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0e74f1c6e1b33d6d6972f2882f19b733bf03ca88ab73cf4b0bbf24efa95ed8b
[INFO] running `Command { std: "docker" "start" "-a" "e0e74f1c6e1b33d6d6972f2882f19b733bf03ca88ab73cf4b0bbf24efa95ed8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0e74f1c6e1b33d6d6972f2882f19b733bf03ca88ab73cf4b0bbf24efa95ed8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e74f1c6e1b33d6d6972f2882f19b733bf03ca88ab73cf4b0bbf24efa95ed8b", kill_on_drop: false }`
[INFO] [stdout] e0e74f1c6e1b33d6d6972f2882f19b733bf03ca88ab73cf4b0bbf24efa95ed8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 694d8720ffc0f662c955f954173f2c1cd786a758c5e059f572d370b3f447e57d
[INFO] running `Command { std: "docker" "start" "-a" "694d8720ffc0f662c955f954173f2c1cd786a758c5e059f572d370b3f447e57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.1.10
[INFO] [stderr]    Compiling futures-await-synom v0.12.0 (/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:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 |         <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 0.85s
[INFO] running `Command { std: "docker" "inspect" "694d8720ffc0f662c955f954173f2c1cd786a758c5e059f572d370b3f447e57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694d8720ffc0f662c955f954173f2c1cd786a758c5e059f572d370b3f447e57d", kill_on_drop: false }`
[INFO] [stdout] 694d8720ffc0f662c955f954173f2c1cd786a758c5e059f572d370b3f447e57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a756274c09515d8427a547589006065141984d6f9ef817d317705edd25c7272
[INFO] running `Command { std: "docker" "start" "-a" "1a756274c09515d8427a547589006065141984d6f9ef817d317705edd25c7272", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-await-synom v0.12.0 (/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:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 |         <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] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 |         <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 0.84s
[INFO] running `Command { std: "docker" "inspect" "1a756274c09515d8427a547589006065141984d6f9ef817d317705edd25c7272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a756274c09515d8427a547589006065141984d6f9ef817d317705edd25c7272", kill_on_drop: false }`
[INFO] [stdout] 1a756274c09515d8427a547589006065141984d6f9ef817d317705edd25c7272
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0eba7cc5f88a35846ef3b06f62320ab6f9649e1b286558e84e1344284fe622bf
[INFO] running `Command { std: "docker" "start" "-a" "0eba7cc5f88a35846ef3b06f62320ab6f9649e1b286558e84e1344284fe622bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:80:41
[INFO] [stderr]    |
[INFO] [stderr] 80 |         <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: `futures-await-synom` (lib) generated 1 warning
[INFO] [stderr] warning: `futures-await-synom` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_await_synom-4c44f5276e462a66)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]    Doc-tests futures-await-synom
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - named (line 114) ... FAILED
[INFO] [stdout] test src/lib.rs - many0 (line 335) ... FAILED
[INFO] [stdout] test src/lib.rs - do_parse (line 724) ... FAILED
[INFO] [stdout] test src/lib.rs - alt (line 651) ... FAILED
[INFO] [stdout] test src/lib.rs - peek (line 418) ... FAILED
[INFO] [stdout] test src/lib.rs - map (line 173) ... FAILED
[INFO] [stdout] test src/lib.rs - switch (line 450) ... FAILED
[INFO] [stdout] test src/lib.rs - terminated (line 286) ... FAILED
[INFO] [stdout] test src/lib.rs - value (line 519) ... FAILED
[INFO] [stdout] test src/lib.rs - tuple (line 578) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - named (line 114) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:115:1
[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 335) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:336:1
[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 - do_parse (line 724) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:725:1
[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 651) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:652:1
[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 418) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:419:1
[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 173) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:174:1
[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 450) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:451:1
[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 286) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:287:1
[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 519) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:520:1
[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 578) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:579:1
[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 651)
[INFO] [stdout]     src/lib.rs - do_parse (line 724)
[INFO] [stdout]     src/lib.rs - many0 (line 335)
[INFO] [stdout]     src/lib.rs - map (line 173)
[INFO] [stdout]     src/lib.rs - named (line 114)
[INFO] [stdout]     src/lib.rs - peek (line 418)
[INFO] [stdout]     src/lib.rs - switch (line 450)
[INFO] [stdout]     src/lib.rs - terminated (line 286)
[INFO] [stdout]     src/lib.rs - tuple (line 578)
[INFO] [stdout]     src/lib.rs - value (line 519)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 10 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "0eba7cc5f88a35846ef3b06f62320ab6f9649e1b286558e84e1344284fe622bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eba7cc5f88a35846ef3b06f62320ab6f9649e1b286558e84e1344284fe622bf", kill_on_drop: false }`
[INFO] [stdout] 0eba7cc5f88a35846ef3b06f62320ab6f9649e1b286558e84e1344284fe622bf