[INFO] fetching crate unrest_tmp_synom 0.1.0...
[INFO] testing unrest_tmp_synom-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate unrest_tmp_synom 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate unrest_tmp_synom 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88cedd4658c19bf44fca48e1b9ee5deb072b94347f6450c77c63540cf8254201
[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" "88cedd4658c19bf44fca48e1b9ee5deb072b94347f6450c77c63540cf8254201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88cedd4658c19bf44fca48e1b9ee5deb072b94347f6450c77c63540cf8254201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cedd4658c19bf44fca48e1b9ee5deb072b94347f6450c77c63540cf8254201", kill_on_drop: false }`
[INFO] [stdout] 88cedd4658c19bf44fca48e1b9ee5deb072b94347f6450c77c63540cf8254201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d30e8bccd2d3c4beba142b20c5ef87fbcccd3efae3b381b8e1372010e0f44e
[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" "f0d30e8bccd2d3c4beba142b20c5ef87fbcccd3efae3b381b8e1372010e0f44e", kill_on_drop: false }`
[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 1.59s
[INFO] running `Command { std: "docker" "inspect" "f0d30e8bccd2d3c4beba142b20c5ef87fbcccd3efae3b381b8e1372010e0f44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d30e8bccd2d3c4beba142b20c5ef87fbcccd3efae3b381b8e1372010e0f44e", kill_on_drop: false }`
[INFO] [stdout] f0d30e8bccd2d3c4beba142b20c5ef87fbcccd3efae3b381b8e1372010e0f44e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54c057ce524aba20d48b9d99d093aee82c8c77eeb2148d66808bbf85eef1371a
[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" "54c057ce524aba20d48b9d99d093aee82c8c77eeb2148d66808bbf85eef1371a", kill_on_drop: false }`
[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] [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 1.11s
[INFO] running `Command { std: "docker" "inspect" "54c057ce524aba20d48b9d99d093aee82c8c77eeb2148d66808bbf85eef1371a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c057ce524aba20d48b9d99d093aee82c8c77eeb2148d66808bbf85eef1371a", kill_on_drop: false }`
[INFO] [stdout] 54c057ce524aba20d48b9d99d093aee82c8c77eeb2148d66808bbf85eef1371a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] dfa16ded88bd3df0b68cea3e3effa3028ff7c5e9e07142191e48aba7acea5103
[INFO] running `Command { std: "docker" "start" "-a" "dfa16ded88bd3df0b68cea3e3effa3028ff7c5e9e07142191e48aba7acea5103", 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: 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: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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unrest_tmp_synom-630c6f11a82913cc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unrest_tmp_synom
[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] [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 - terminated (line 287) ... FAILED
[INFO] [stdout] test src/lib.rs - named (line 115) ... FAILED
[INFO] [stdout] test src/lib.rs - tuple (line 579) ... FAILED
[INFO] [stdout] test src/lib.rs - switch (line 451) ... FAILED
[INFO] [stdout] test src/lib.rs - map (line 174) ... FAILED
[INFO] [stdout] test src/lib.rs - value (line 520) ... FAILED
[INFO] [stdout] test src/lib.rs - alt (line 652) ... FAILED
[INFO] [stdout] test src/lib.rs - many0 (line 336) ... 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 - 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 - 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 - 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 - 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 - 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] ---- 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 - 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] 
[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 1.43s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "dfa16ded88bd3df0b68cea3e3effa3028ff7c5e9e07142191e48aba7acea5103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa16ded88bd3df0b68cea3e3effa3028ff7c5e9e07142191e48aba7acea5103", kill_on_drop: false }`
[INFO] [stdout] dfa16ded88bd3df0b68cea3e3effa3028ff7c5e9e07142191e48aba7acea5103