[INFO] fetching crate two-sided-vec 0.1.11...
[INFO] checking two-sided-vec-0.1.11 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate two-sided-vec 0.1.11 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate two-sided-vec 0.1.11 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate two-sided-vec 0.1.11
[INFO] finished tweaking crates.io crate two-sided-vec 0.1.11
[INFO] tweaked toml for crates.io crate two-sided-vec 0.1.11 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e50c829b4711d1fb849530349a03b78f239369bb28fa084fe772d27cddba5254
[INFO] running `Command { std: "docker" "start" "-a" "e50c829b4711d1fb849530349a03b78f239369bb28fa084fe772d27cddba5254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e50c829b4711d1fb849530349a03b78f239369bb28fa084fe772d27cddba5254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50c829b4711d1fb849530349a03b78f239369bb28fa084fe772d27cddba5254", kill_on_drop: false }`
[INFO] [stdout] e50c829b4711d1fb849530349a03b78f239369bb28fa084fe772d27cddba5254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e5a3a124d128c7a18bf6f4d66776ca4f0e3f7d965aeb6a76a3427beac9b67fd
[INFO] running `Command { std: "docker" "start" "-a" "7e5a3a124d128c7a18bf6f4d66776ca4f0e3f7d965aeb6a76a3427beac9b67fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking two-sided-vec v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> tests/basic.rs:215:28
[INFO] [stdout]     |
[INFO] [stdout] 215 |         assert_eq!(&target[(index as isize)], expected);
[INFO] [stdout]     |                            ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 215 -         assert_eq!(&target[(index as isize)], expected);
[INFO] [stdout] 215 +         assert_eq!(&target[index as isize], expected);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TwoSidedVec<{integer}>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]   --> tests/basic.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 |     ::serde_test::assert_tokens(&values, &[
[INFO] [stdout]    |     --------------------------- ^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `TwoSidedVec<{integer}>`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: for local types consider adding `#[derive(serde::Serialize)]` to your `TwoSidedVec<{integer}>` type
[INFO] [stdout]    = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]    = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]              &'a T
[INFO] [stdout]              &'a mut T
[INFO] [stdout]              ()
[INFO] [stdout]              (T,)
[INFO] [stdout]              (T0, T1)
[INFO] [stdout]              (T0, T1, T2)
[INFO] [stdout]              (T0, T1, T2, T3)
[INFO] [stdout]              (T0, T1, T2, T3, T4)
[INFO] [stdout]            and 130 others
[INFO] [stdout] note: required by a bound in `assert_tokens`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_test-1.0.177/src/assert.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn assert_tokens<'de, T>(value: &T, tokens: &'de [Token])
[INFO] [stdout]    |        ------------- required by a bound in this function
[INFO] [stdout] 34 | where
[INFO] [stdout] 35 |     T: Serialize + Deserialize<'de> + PartialEq + Debug,
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `assert_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TwoSidedVec<{integer}>: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> tests/basic.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 |     ::serde_test::assert_tokens(&values, &[
[INFO] [stdout]    |     --------------------------- ^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `TwoSidedVec<{integer}>`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `TwoSidedVec<{integer}>` type
[INFO] [stdout]    = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]    = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]              &'a Path
[INFO] [stdout]              &'a [u8]
[INFO] [stdout]              &'a str
[INFO] [stdout]              ()
[INFO] [stdout]              (T,)
[INFO] [stdout]              (T0, T1)
[INFO] [stdout]              (T0, T1, T2)
[INFO] [stdout]              (T0, T1, T2, T3)
[INFO] [stdout]            and 141 others
[INFO] [stdout] note: required by a bound in `assert_tokens`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_test-1.0.177/src/assert.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn assert_tokens<'de, T>(value: &T, tokens: &'de [Token])
[INFO] [stdout]    |        ------------- required by a bound in this function
[INFO] [stdout] 34 | where
[INFO] [stdout] 35 |     T: Serialize + Deserialize<'de> + PartialEq + Debug,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ required by this bound in `assert_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `two-sided-vec` (test "basic") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7e5a3a124d128c7a18bf6f4d66776ca4f0e3f7d965aeb6a76a3427beac9b67fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5a3a124d128c7a18bf6f4d66776ca4f0e3f7d965aeb6a76a3427beac9b67fd", kill_on_drop: false }`
[INFO] [stdout] 7e5a3a124d128c7a18bf6f4d66776ca4f0e3f7d965aeb6a76a3427beac9b67fd