[INFO] fetching crate num-iter 0.1.45...
[INFO] building num-iter-0.1.45 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate num-iter 0.1.45 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate num-iter 0.1.45
[INFO] finished tweaking crates.io crate num-iter 0.1.45
[INFO] tweaked toml for crates.io crate num-iter 0.1.45 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate num-iter 0.1.45 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef6fd9d08f84d26f4d5b8aa387371b14cf96eb402a3a194a9a159bbb85df9f7f
[INFO] running `Command { std: "docker" "start" "-a" "ef6fd9d08f84d26f4d5b8aa387371b14cf96eb402a3a194a9a159bbb85df9f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef6fd9d08f84d26f4d5b8aa387371b14cf96eb402a3a194a9a159bbb85df9f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6fd9d08f84d26f4d5b8aa387371b14cf96eb402a3a194a9a159bbb85df9f7f", kill_on_drop: false }`
[INFO] [stdout] ef6fd9d08f84d26f4d5b8aa387371b14cf96eb402a3a194a9a159bbb85df9f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe484e340a3a967266d37c5c7132a5a42fa894b0cceb54acd9dca2c465e9677a
[INFO] running `Command { std: "docker" "start" "-a" "fe484e340a3a967266d37c5c7132a5a42fa894b0cceb54acd9dca2c465e9677a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-iter v0.1.45 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "fe484e340a3a967266d37c5c7132a5a42fa894b0cceb54acd9dca2c465e9677a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe484e340a3a967266d37c5c7132a5a42fa894b0cceb54acd9dca2c465e9677a", kill_on_drop: false }`
[INFO] [stdout] fe484e340a3a967266d37c5c7132a5a42fa894b0cceb54acd9dca2c465e9677a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c141630fb2162fab8a668d3082f1bb9c1a31ae363a2e598fc011d5f7add0e591
[INFO] running `Command { std: "docker" "start" "-a" "c141630fb2162fab8a668d3082f1bb9c1a31ae363a2e598fc011d5f7add0e591", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-iter v0.1.45 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> src/lib.rs:419:16
[INFO] [stdout]     |
[INFO] [stdout] 419 |         struct Foo;
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "c141630fb2162fab8a668d3082f1bb9c1a31ae363a2e598fc011d5f7add0e591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c141630fb2162fab8a668d3082f1bb9c1a31ae363a2e598fc011d5f7add0e591", kill_on_drop: false }`
[INFO] [stdout] c141630fb2162fab8a668d3082f1bb9c1a31ae363a2e598fc011d5f7add0e591