[INFO] fetching crate hashcons 0.1.2...
[INFO] testing hashcons-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate hashcons 0.1.2 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate hashcons 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashcons 0.1.2
[INFO] finished tweaking crates.io crate hashcons 0.1.2
[INFO] tweaked toml for crates.io crate hashcons 0.1.2 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3fcdd72bf71b549b3bee29af8f2bf4b80c44cb23bd28974c8c9557d7342450f
[INFO] running `Command { std: "docker" "start" "-a" "a3fcdd72bf71b549b3bee29af8f2bf4b80c44cb23bd28974c8c9557d7342450f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3fcdd72bf71b549b3bee29af8f2bf4b80c44cb23bd28974c8c9557d7342450f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fcdd72bf71b549b3bee29af8f2bf4b80c44cb23bd28974c8c9557d7342450f", kill_on_drop: false }`
[INFO] [stdout] a3fcdd72bf71b549b3bee29af8f2bf4b80c44cb23bd28974c8c9557d7342450f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f81d88fdaba4fa3cd06a9d7963f7de6f0b9ab4aa0cdd1541342872a138850c5
[INFO] running `Command { std: "docker" "start" "-a" "0f81d88fdaba4fa3cd06a9d7963f7de6f0b9ab4aa0cdd1541342872a138850c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling hashcons v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "0f81d88fdaba4fa3cd06a9d7963f7de6f0b9ab4aa0cdd1541342872a138850c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f81d88fdaba4fa3cd06a9d7963f7de6f0b9ab4aa0cdd1541342872a138850c5", kill_on_drop: false }`
[INFO] [stdout] 0f81d88fdaba4fa3cd06a9d7963f7de6f0b9ab4aa0cdd1541342872a138850c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c2cdca75d824aea91d6042ace2db0d28cedc879ee513bebd316765cf896b3e0
[INFO] running `Command { std: "docker" "start" "-a" "9c2cdca75d824aea91d6042ace2db0d28cedc879ee513bebd316765cf896b3e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashcons v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "9c2cdca75d824aea91d6042ace2db0d28cedc879ee513bebd316765cf896b3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2cdca75d824aea91d6042ace2db0d28cedc879ee513bebd316765cf896b3e0", kill_on_drop: false }`
[INFO] [stdout] 9c2cdca75d824aea91d6042ace2db0d28cedc879ee513bebd316765cf896b3e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ca81705fc7b3d1913158c08d347700f4b3322dcc6e72a3580eeefbc9fca942c
[INFO] running `Command { std: "docker" "start" "-a" "3ca81705fc7b3d1913158c08d347700f4b3322dcc6e72a3580eeefbc9fca942c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashcons-1b777d82a56ec53e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests hashcons
[INFO] [stdout] test merkle::list_example::test_elim_forms ... ok
[INFO] [stdout] test merkle::list_example::test_intro_forms ... ok
[INFO] [stdout] test merkle::list_example::test_serde ... 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] [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" "3ca81705fc7b3d1913158c08d347700f4b3322dcc6e72a3580eeefbc9fca942c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca81705fc7b3d1913158c08d347700f4b3322dcc6e72a3580eeefbc9fca942c", kill_on_drop: false }`
[INFO] [stdout] 3ca81705fc7b3d1913158c08d347700f4b3322dcc6e72a3580eeefbc9fca942c