[INFO] cloning repository https://github.com/dpithon/set
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpithon/set" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpithon%2Fset", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpithon%2Fset'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9833db82a70e5eb96ae69df5a3fbc9cf830a5270
[INFO] building dpithon/set against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpithon%2Fset" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpithon/set on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpithon/set
[INFO] finished tweaking git repo https://github.com/dpithon/set
[INFO] tweaked toml for git repo https://github.com/dpithon/set 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f5f04ca1250289fe4a09fd8cda30c5b14e19715f427c507447b27437115d919
[INFO] running `Command { std: "docker" "start" "-a" "4f5f04ca1250289fe4a09fd8cda30c5b14e19715f427c507447b27437115d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5f04ca1250289fe4a09fd8cda30c5b14e19715f427c507447b27437115d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5f04ca1250289fe4a09fd8cda30c5b14e19715f427c507447b27437115d919", kill_on_drop: false }`
[INFO] [stdout] 4f5f04ca1250289fe4a09fd8cda30c5b14e19715f427c507447b27437115d919
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e128f250964a6da0bd78ed1c6eef4e12d6b4d5dc5cea123c2deeab95a0c17b71
[INFO] running `Command { std: "docker" "start" "-a" "e128f250964a6da0bd78ed1c6eef4e12d6b4d5dc5cea123c2deeab95a0c17b71", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto_ops v0.3.0
[INFO] [stderr]    Compiling interval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `max` is never used
[INFO] [stdout]   --> src/interval/left.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Left {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn max(self, other: Left) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `min` is never used
[INFO] [stdout]   --> src/interval/right.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Right {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 11 |     pub fn min(self, other: Right) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "e128f250964a6da0bd78ed1c6eef4e12d6b4d5dc5cea123c2deeab95a0c17b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e128f250964a6da0bd78ed1c6eef4e12d6b4d5dc5cea123c2deeab95a0c17b71", kill_on_drop: false }`
[INFO] [stdout] e128f250964a6da0bd78ed1c6eef4e12d6b4d5dc5cea123c2deeab95a0c17b71
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64efeab7aea61b2a41ba4b8330968b05ef26707db43e78f1a4191caddc50a7c0
[INFO] running `Command { std: "docker" "start" "-a" "64efeab7aea61b2a41ba4b8330968b05ef26707db43e78f1a4191caddc50a7c0", kill_on_drop: false }`
[INFO] [stdout] warning: method `max` is never used
[INFO] [stdout]   --> src/interval/left.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Left {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn max(self, other: Left) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling interval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `min` is never used
[INFO] [stdout]   --> src/interval/right.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Right {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 11 |     pub fn min(self, other: Right) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "64efeab7aea61b2a41ba4b8330968b05ef26707db43e78f1a4191caddc50a7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64efeab7aea61b2a41ba4b8330968b05ef26707db43e78f1a4191caddc50a7c0", kill_on_drop: false }`
[INFO] [stdout] 64efeab7aea61b2a41ba4b8330968b05ef26707db43e78f1a4191caddc50a7c0