[INFO] fetching crate loop-let 0.1.0...
[INFO] testing loop-let-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate loop-let 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate loop-let 0.1.0
[INFO] finished tweaking crates.io crate loop-let 0.1.0
[INFO] tweaked toml for crates.io crate loop-let 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate loop-let 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adf6eb35950131c4c780e942f47b30b0b579890777086824563259c72586f725
[INFO] running `Command { std: "docker" "start" "-a" "adf6eb35950131c4c780e942f47b30b0b579890777086824563259c72586f725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adf6eb35950131c4c780e942f47b30b0b579890777086824563259c72586f725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf6eb35950131c4c780e942f47b30b0b579890777086824563259c72586f725", kill_on_drop: false }`
[INFO] [stdout] adf6eb35950131c4c780e942f47b30b0b579890777086824563259c72586f725
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 553184852f6102c87d50550b54265d1eacbfa7b8bf412e9d0c18140911f9ff6a
[INFO] running `Command { std: "docker" "start" "-a" "553184852f6102c87d50550b54265d1eacbfa7b8bf412e9d0c18140911f9ff6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop-let v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "553184852f6102c87d50550b54265d1eacbfa7b8bf412e9d0c18140911f9ff6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553184852f6102c87d50550b54265d1eacbfa7b8bf412e9d0c18140911f9ff6a", kill_on_drop: false }`
[INFO] [stdout] 553184852f6102c87d50550b54265d1eacbfa7b8bf412e9d0c18140911f9ff6a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66abcb3bb78668d8b2ce4a3dc9d215d618b6100ce806483b3e9c3936662871fa
[INFO] running `Command { std: "docker" "start" "-a" "66abcb3bb78668d8b2ce4a3dc9d215d618b6100ce806483b3e9c3936662871fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop-let v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "66abcb3bb78668d8b2ce4a3dc9d215d618b6100ce806483b3e9c3936662871fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66abcb3bb78668d8b2ce4a3dc9d215d618b6100ce806483b3e9c3936662871fa", kill_on_drop: false }`
[INFO] [stdout] 66abcb3bb78668d8b2ce4a3dc9d215d618b6100ce806483b3e9c3936662871fa
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af8e24edf7a29b3b6d5e566a65accb5e6057d85526e0ce82dcbe42b8129f5c1d
[INFO] running `Command { std: "docker" "start" "-a" "af8e24edf7a29b3b6d5e566a65accb5e6057d85526e0ce82dcbe42b8129f5c1d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/loop_let-d38a1dc3c0500979)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_loop_let ... ok
[INFO] [stdout] test tests::test_fibo ... ok
[INFO] [stdout] test tests::test_loop_let_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests loop_let
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af8e24edf7a29b3b6d5e566a65accb5e6057d85526e0ce82dcbe42b8129f5c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8e24edf7a29b3b6d5e566a65accb5e6057d85526e0ce82dcbe42b8129f5c1d", kill_on_drop: false }`
[INFO] [stdout] af8e24edf7a29b3b6d5e566a65accb5e6057d85526e0ce82dcbe42b8129f5c1d