[INFO] fetching crate necessist-core 0.3.4...
[INFO] checking necessist-core-0.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate necessist-core 0.3.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate necessist-core 0.3.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate necessist-core 0.3.4
[INFO] finished tweaking crates.io crate necessist-core 0.3.4
[INFO] tweaked toml for crates.io crate necessist-core 0.3.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 131 packages
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding strum v0.25.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.25.3 (latest: v0.26.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlimit v0.10.1
[INFO] [stderr]   Downloaded subprocess v0.2.9
[INFO] [stderr]   Downloaded remain v0.2.13
[INFO] [stderr]   Downloaded predicates v3.1.0
[INFO] [stderr]   Downloaded diesel_table_macro_syntax v0.1.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.14
[INFO] [stderr]   Downloaded diesel_derives v2.1.3
[INFO] [stderr]   Downloaded git2 v0.18.3
[INFO] [stderr]   Downloaded diesel v2.1.5
[INFO] [stderr]   Downloaded libssh2-sys v0.3.0
[INFO] [stderr]   Downloaded libgit2-sys v0.16.2+1.7.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a939d1a5560ac928ffeff380addba40e80506a5f58a6a9b277c64f95c4e05e59
[INFO] running `Command { std: "docker" "start" "-a" "a939d1a5560ac928ffeff380addba40e80506a5f58a6a9b277c64f95c4e05e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a939d1a5560ac928ffeff380addba40e80506a5f58a6a9b277c64f95c4e05e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a939d1a5560ac928ffeff380addba40e80506a5f58a6a9b277c64f95c4e05e59", kill_on_drop: false }`
[INFO] [stdout] a939d1a5560ac928ffeff380addba40e80506a5f58a6a9b277c64f95c4e05e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1c6a2ac9f1a1884cfc251adffb83fbb2ae8305feadf0e0575b014c64561ea51
[INFO] running `Command { std: "docker" "start" "-a" "f1c6a2ac9f1a1884cfc251adffb83fbb2ae8305feadf0e0575b014c64561ea51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.28.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rlimit v0.10.1
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking subprocess v0.2.9
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking ctrlc v3.4.4
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling libgit2-sys v0.16.2+1.7.2
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling diesel_derives v2.1.3
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling remain v0.2.13
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking git2 v0.18.3
[INFO] [stderr]     Checking diesel v2.1.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking necessist-core v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `SqliteConnection` is imported redundantly
[INFO] [stdout]  --> src/sqlite.rs:9:50
[INFO] [stdout]   |
[INFO] [stdout] 9 | use diesel::{insert_into, prelude::*, sql_query, sqlite::SqliteConnection};
[INFO] [stdout]   |                           ----------             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           the item `SqliteConnection` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqliteConnection` is imported redundantly
[INFO] [stdout]  --> src/sqlite.rs:9:50
[INFO] [stdout]   |
[INFO] [stdout] 9 | use diesel::{insert_into, prelude::*, sql_query, sqlite::SqliteConnection};
[INFO] [stdout]   |                           ----------             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           the item `SqliteConnection` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "f1c6a2ac9f1a1884cfc251adffb83fbb2ae8305feadf0e0575b014c64561ea51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c6a2ac9f1a1884cfc251adffb83fbb2ae8305feadf0e0575b014c64561ea51", kill_on_drop: false }`
[INFO] [stdout] f1c6a2ac9f1a1884cfc251adffb83fbb2ae8305feadf0e0575b014c64561ea51