[INFO] fetching crate syntastic 0.5.1...
[INFO] checking syntastic-0.5.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate syntastic 0.5.1 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate syntastic 0.5.1
[INFO] finished tweaking crates.io crate syntastic 0.5.1
[INFO] tweaked toml for crates.io crate syntastic 0.5.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syntastic 0.5.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding proptest v0.10.1 (available: v1.7.0)
[INFO] [stderr]       Adding proptest-derive v0.2.0 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f23cd2c8fd7113d7d062d97d6cdb5d6475324781b64a25c870f146e1cdd8115
[INFO] running `Command { std: "docker" "start" "-a" "8f23cd2c8fd7113d7d062d97d6cdb5d6475324781b64a25c870f146e1cdd8115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f23cd2c8fd7113d7d062d97d6cdb5d6475324781b64a25c870f146e1cdd8115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f23cd2c8fd7113d7d062d97d6cdb5d6475324781b64a25c870f146e1cdd8115", kill_on_drop: false }`
[INFO] [stdout] 8f23cd2c8fd7113d7d062d97d6cdb5d6475324781b64a25c870f146e1cdd8115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f481671b73804065923406a22e25c19ad1b3b8a539b80ec908e5c8facbd33bde
[INFO] running `Command { std: "docker" "start" "-a" "f481671b73804065923406a22e25c19ad1b3b8a539b80ec908e5c8facbd33bde", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking ron v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking syntastic v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v1.43.1
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stdout] error[E0432]: unresolved import `insta::assert_json_snapshot`
[INFO] [stdout]    --> src/ast.rs:411:32
[INFO] [stdout]     |
[INFO] [stdout] 411 |         assert_debug_snapshot, assert_json_snapshot, assert_ron_snapshot, assert_snapshot,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                no `assert_json_snapshot` in the root
[INFO] [stdout]     |                                help: a similar name exists in the module: `assert_ron_snapshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntastic` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f481671b73804065923406a22e25c19ad1b3b8a539b80ec908e5c8facbd33bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f481671b73804065923406a22e25c19ad1b3b8a539b80ec908e5c8facbd33bde", kill_on_drop: false }`
[INFO] [stdout] f481671b73804065923406a22e25c19ad1b3b8a539b80ec908e5c8facbd33bde