[INFO] fetching crate futures-await-synom 0.12.0...
[INFO] testing futures-await-synom-0.12.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate futures-await-synom 0.12.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate futures-await-synom 0.12.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b97d59148bd31003b31d123ff53e69caf0a3e1fa923b37762d7e9ce637b196b
[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" "2b97d59148bd31003b31d123ff53e69caf0a3e1fa923b37762d7e9ce637b196b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b97d59148bd31003b31d123ff53e69caf0a3e1fa923b37762d7e9ce637b196b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b97d59148bd31003b31d123ff53e69caf0a3e1fa923b37762d7e9ce637b196b", kill_on_drop: false }`
[INFO] [stdout] 2b97d59148bd31003b31d123ff53e69caf0a3e1fa923b37762d7e9ce637b196b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] a148c1d45171d1f171f92542d15d785ed692ff3f07d376f1025c31e129e4e6ad
[INFO] running `Command { std: "docker" "start" "-a" "a148c1d45171d1f171f92542d15d785ed692ff3f07d376f1025c31e129e4e6ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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 3.04s
[INFO] running `Command { std: "docker" "inspect" "a148c1d45171d1f171f92542d15d785ed692ff3f07d376f1025c31e129e4e6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a148c1d45171d1f171f92542d15d785ed692ff3f07d376f1025c31e129e4e6ad", kill_on_drop: false }`
[INFO] [stdout] a148c1d45171d1f171f92542d15d785ed692ff3f07d376f1025c31e129e4e6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c29d73884c0f7f03da286863a18b5ff690b5dd4c27e275a5baea6bd445446026
[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" "c29d73884c0f7f03da286863a18b5ff690b5dd4c27e275a5baea6bd445446026", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c29d73884c0f7f03da286863a18b5ff690b5dd4c27e275a5baea6bd445446026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29d73884c0f7f03da286863a18b5ff690b5dd4c27e275a5baea6bd445446026", kill_on_drop: false }`
[INFO] [stdout] c29d73884c0f7f03da286863a18b5ff690b5dd4c27e275a5baea6bd445446026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f88fc8afa6c9713986ca7bc225ee96e68f1ab3c4b16c1ef5ff83d06660902e41
[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" "f88fc8afa6c9713986ca7bc225ee96e68f1ab3c4b16c1ef5ff83d06660902e41", 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: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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_await_synom-850e5f62be2f48dd
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests futures-await-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 - map (line 173) ... FAILED
[INFO] [stdout] test src/lib.rs - alt (line 651) ... 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 - peek (line 418) ... FAILED
[INFO] [stdout] test src/lib.rs - named (line 114) ... FAILED
[INFO] [stdout] test src/lib.rs - tuple (line 578) ... FAILED
[INFO] [stdout] test src/lib.rs - do_parse (line 724) ... FAILED
[INFO] [stdout] test src/lib.rs - switch (line 450) ... FAILED
[INFO] [stdout] test src/lib.rs - many0 (line 335) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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 - 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 - 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 - 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 - 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 - 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] ---- 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 - 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 - 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] 
[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 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f88fc8afa6c9713986ca7bc225ee96e68f1ab3c4b16c1ef5ff83d06660902e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88fc8afa6c9713986ca7bc225ee96e68f1ab3c4b16c1ef5ff83d06660902e41", kill_on_drop: false }`
[INFO] [stdout] f88fc8afa6c9713986ca7bc225ee96e68f1ab3c4b16c1ef5ff83d06660902e41