[INFO] fetching crate evelyn 0.1.0...
[INFO] testing evelyn-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate evelyn 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate evelyn 0.1.0
[INFO] finished tweaking crates.io crate evelyn 0.1.0
[INFO] tweaked toml for crates.io crate evelyn 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate evelyn 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9baad10846f40f85028211e25a96db269c856f794eba0c7129f8aee67e823680
[INFO] running `Command { std: "docker" "start" "-a" "9baad10846f40f85028211e25a96db269c856f794eba0c7129f8aee67e823680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9baad10846f40f85028211e25a96db269c856f794eba0c7129f8aee67e823680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9baad10846f40f85028211e25a96db269c856f794eba0c7129f8aee67e823680", kill_on_drop: false }`
[INFO] [stdout] 9baad10846f40f85028211e25a96db269c856f794eba0c7129f8aee67e823680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5746bf79f0888b07780e10ee93e2dd3d497dc46e58f46330031099f18ad0586
[INFO] running `Command { std: "docker" "start" "-a" "c5746bf79f0888b07780e10ee93e2dd3d497dc46e58f46330031099f18ad0586", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling evelyn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `TestMessage` is never used
[INFO] [stdout]    --> src/lib.rs:107:10
[INFO] [stdout]     |
[INFO] [stdout] 107 |     enum TestMessage {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c5746bf79f0888b07780e10ee93e2dd3d497dc46e58f46330031099f18ad0586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5746bf79f0888b07780e10ee93e2dd3d497dc46e58f46330031099f18ad0586", kill_on_drop: false }`
[INFO] [stdout] c5746bf79f0888b07780e10ee93e2dd3d497dc46e58f46330031099f18ad0586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c028778603dfdaba8d91900a03e1c11e55025912f4515bb29a05ea83f3cf98a
[INFO] running `Command { std: "docker" "start" "-a" "8c028778603dfdaba8d91900a03e1c11e55025912f4515bb29a05ea83f3cf98a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stdout] warning: enum `TestMessage` is never used
[INFO] [stdout]    --> src/lib.rs:107:10
[INFO] [stdout]     |
[INFO] [stdout] 107 |     enum TestMessage {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling evelyn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `TestMessage` is never used
[INFO] [stdout]    --> src/lib.rs:107:10
[INFO] [stdout]     |
[INFO] [stdout] 107 |     enum TestMessage {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "8c028778603dfdaba8d91900a03e1c11e55025912f4515bb29a05ea83f3cf98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c028778603dfdaba8d91900a03e1c11e55025912f4515bb29a05ea83f3cf98a", kill_on_drop: false }`
[INFO] [stdout] 8c028778603dfdaba8d91900a03e1c11e55025912f4515bb29a05ea83f3cf98a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7951025c9b73c2da3eb19ce182054ae8d2c4ff6196570c49a0a089d1659ea17a
[INFO] running `Command { std: "docker" "start" "-a" "7951025c9b73c2da3eb19ce182054ae8d2c4ff6196570c49a0a089d1659ea17a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: enum `TestMessage` is never used
[INFO] [stderr]    --> src/lib.rs:107:10
[INFO] [stderr]     |
[INFO] [stderr] 107 |     enum TestMessage {
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `evelyn` (lib) generated 1 warning
[INFO] [stderr] warning: `evelyn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/evelyn-1a1307f3a56dc484)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::bus_terminated_by_message ... ok
[INFO] [stdout] test tests::can_accept_subscribers ... ok
[INFO] [stdout] test tests::subscriber_recieves_events ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests evelyn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Discriminant (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Discriminant (line 20) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `use`
[INFO] [stdout]  --> src/lib.rs:22:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use evelyn::Message
[INFO] [stdout]   |                    ^ help: add `;` here
[INFO] [stdout] 6 | use evelyn::Discriminant
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `enum`
[INFO] [stdout]  --> src/lib.rs:23:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use evelyn::Discriminant
[INFO] [stdout]   |                         ^ help: add `;` here
[INFO] [stdout] 7 | // For enums Discriminant trait is implemented for `std::mem::Discriminant`
[INFO] [stdout] 8 | enum TestMessage {
[INFO] [stdout]   | ---- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0117]: only traits defined in the current crate can be implemented for types defined outside of the crate
[INFO] [stdout]   --> src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Message for String {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^------
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  `String` is not defined in the current crate
[INFO] [stdout]    |
[INFO] [stdout]    = note: impl doesn't have any local type before any uncovered type parameters
[INFO] [stdout]    = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules
[INFO] [stdout]    = note: define and implement a trait or new type instead
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `chars` on type `&String`
[INFO] [stdout]   --> src/lib.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |         self.chars.take(5).collect()
[INFO] [stdout]    |              ^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 22 |         self.chars().take(5).collect()
[INFO] [stdout]    |                   ++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0117, E0615.
[INFO] [stdout] For more information about an error, try `rustc --explain E0117`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Discriminant (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7951025c9b73c2da3eb19ce182054ae8d2c4ff6196570c49a0a089d1659ea17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7951025c9b73c2da3eb19ce182054ae8d2c4ff6196570c49a0a089d1659ea17a", kill_on_drop: false }`
[INFO] [stdout] 7951025c9b73c2da3eb19ce182054ae8d2c4ff6196570c49a0a089d1659ea17a