[INFO] cloning repository https://github.com/PhotonQuantum/cargo-edit-completion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhotonQuantum/cargo-edit-completion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fcargo-edit-completion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fcargo-edit-completion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e192631bb8c40108b4b0d7b527f90c2ca2de522d
[INFO] checking PhotonQuantum/cargo-edit-completion/e192631bb8c40108b4b0d7b527f90c2ca2de522d against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fcargo-edit-completion" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhotonQuantum/cargo-edit-completion on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/PhotonQuantum/cargo-edit-completion
[INFO] finished tweaking git repo https://github.com/PhotonQuantum/cargo-edit-completion
[INFO] tweaked toml for git repo https://github.com/PhotonQuantum/cargo-edit-completion written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/PhotonQuantum/cargo-edit-completion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe118dc31b5dd38dfa3c318d2a63e053ba502822412782d59ba06c8398c828b6
[INFO] running `Command { std: "docker" "start" "-a" "fe118dc31b5dd38dfa3c318d2a63e053ba502822412782d59ba06c8398c828b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe118dc31b5dd38dfa3c318d2a63e053ba502822412782d59ba06c8398c828b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe118dc31b5dd38dfa3c318d2a63e053ba502822412782d59ba06c8398c828b6", kill_on_drop: false }`
[INFO] [stdout] fe118dc31b5dd38dfa3c318d2a63e053ba502822412782d59ba06c8398c828b6
[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 -Dtail_expr_drop_order" "-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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a7109f9dfb8344a551822855cde7c2ccb9803bc30a9fbdc7818aa931ea876a
[INFO] running `Command { std: "docker" "start" "-a" "71a7109f9dfb8344a551822855cde7c2ccb9803bc30a9fbdc7818aa931ea876a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking cargo-edit-completion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> src/lib/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, bail, Result};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/lib/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> src/lib/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, bail, Result};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/lib/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Field` is never used
[INFO] [stdout]   --> src/lib/lib.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Field = Either<u64, Prerelease>;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FieldType` is never used
[INFO] [stdout]   --> src/lib/lib.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum FieldType {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_unfilled_field` is never used
[INFO] [stdout]   --> src/lib/lib.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn first_unfilled_field(req: Option<&Comparator>) -> Option<FieldType> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_field` is never used
[INFO] [stdout]   --> src/lib/lib.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn extract_field(version: &Version, field: FieldType) -> Field {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query_prefix` is never used
[INFO] [stdout]   --> src/lib/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn query_prefix(req: &Comparator) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Field` is never used
[INFO] [stdout]   --> src/lib/lib.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Field = Either<u64, Prerelease>;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FieldType` is never used
[INFO] [stdout]   --> src/lib/lib.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum FieldType {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_unfilled_field` is never used
[INFO] [stdout]   --> src/lib/lib.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn first_unfilled_field(req: Option<&Comparator>) -> Option<FieldType> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_field` is never used
[INFO] [stdout]   --> src/lib/lib.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn extract_field(version: &Version, field: FieldType) -> Field {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query_prefix` is never used
[INFO] [stdout]   --> src/lib/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn query_prefix(req: &Comparator) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "71a7109f9dfb8344a551822855cde7c2ccb9803bc30a9fbdc7818aa931ea876a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a7109f9dfb8344a551822855cde7c2ccb9803bc30a9fbdc7818aa931ea876a", kill_on_drop: false }`
[INFO] [stdout] 71a7109f9dfb8344a551822855cde7c2ccb9803bc30a9fbdc7818aa931ea876a