[INFO] cloning repository https://github.com/joshua-maros/vis-calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshua-maros/vis-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-maros%2Fvis-calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-maros%2Fvis-calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bd11de01b9f93a95eca3111463cc657f4e72163
[INFO] checking joshua-maros/vis-calc against master#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-maros%2Fvis-calc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshua-maros/vis-calc on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joshua-maros/vis-calc
[INFO] finished tweaking git repo https://github.com/joshua-maros/vis-calc
[INFO] tweaked toml for git repo https://github.com/joshua-maros/vis-calc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joshua-maros/vis-calc 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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded itertools v0.10.3
[INFO] [stderr]   Downloaded semver v1.0.6
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded hashbrown v0.11.2
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64f4674a96c8306c98668b22a7c6509926b091f287764ccf6f26b2f01668cfdc
[INFO] running `Command { std: "docker" "start" "-a" "64f4674a96c8306c98668b22a7c6509926b091f287764ccf6f26b2f01668cfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64f4674a96c8306c98668b22a7c6509926b091f287764ccf6f26b2f01668cfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f4674a96c8306c98668b22a7c6509926b091f287764ccf6f26b2f01668cfdc", kill_on_drop: false }`
[INFO] [stdout] 64f4674a96c8306c98668b22a7c6509926b091f287764ccf6f26b2f01668cfdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18ac78a7ee8bee322300577b7df890dc1ca42d2b2ed73e4e7d8ff96a6e4301a4
[INFO] running `Command { std: "docker" "start" "-a" "18ac78a7ee8bee322300577b7df890dc1ca42d2b2ed73e4e7d8ff96a6e4301a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking vis-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_no_match` is never used
[INFO] [stdout]   --> src/matchh.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl MatchResult {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn is_no_match(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ExpressionPath` is never used
[INFO] [stdout]   --> src/matchh.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | type ExpressionPath = Vec<usize>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_all_matches_in` is never used
[INFO] [stdout]   --> src/matchh.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl Expression {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn find_all_matches_in(&self, specific_case: &Self) -> Vec<(Substitutions, ExpressionPath)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_no_match` is never used
[INFO] [stdout]   --> src/matchh.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl MatchResult {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn is_no_match(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ExpressionPath` is never used
[INFO] [stdout]   --> src/matchh.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | type ExpressionPath = Vec<usize>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_all_matches_in` is never used
[INFO] [stdout]   --> src/matchh.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl Expression {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn find_all_matches_in(&self, specific_case: &Self) -> Vec<(Substitutions, ExpressionPath)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "18ac78a7ee8bee322300577b7df890dc1ca42d2b2ed73e4e7d8ff96a6e4301a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ac78a7ee8bee322300577b7df890dc1ca42d2b2ed73e4e7d8ff96a6e4301a4", kill_on_drop: false }`
[INFO] [stdout] 18ac78a7ee8bee322300577b7df890dc1ca42d2b2ed73e4e7d8ff96a6e4301a4