[INFO] fetching crate piece 0.2.1...
[INFO] testing piece-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate piece 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate piece 0.2.1
[INFO] finished tweaking crates.io crate piece 0.2.1
[INFO] tweaked toml for crates.io crate piece 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate piece 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding allocator-api2 v0.2.21 (available: v0.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59dbdb3ce749dfd09872aab179d6a89dea5bee236d05d353d343d33af4623049
[INFO] running `Command { std: "docker" "start" "-a" "59dbdb3ce749dfd09872aab179d6a89dea5bee236d05d353d343d33af4623049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59dbdb3ce749dfd09872aab179d6a89dea5bee236d05d353d343d33af4623049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59dbdb3ce749dfd09872aab179d6a89dea5bee236d05d353d343d33af4623049", kill_on_drop: false }`
[INFO] [stdout] 59dbdb3ce749dfd09872aab179d6a89dea5bee236d05d353d343d33af4623049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 643f20806a30eb9d653b03435f945bd448c565a83a92a78bee34dcc8fd5d21b1
[INFO] running `Command { std: "docker" "start" "-a" "643f20806a30eb9d653b03435f945bd448c565a83a92a78bee34dcc8fd5d21b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling piece v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "643f20806a30eb9d653b03435f945bd448c565a83a92a78bee34dcc8fd5d21b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643f20806a30eb9d653b03435f945bd448c565a83a92a78bee34dcc8fd5d21b1", kill_on_drop: false }`
[INFO] [stdout] 643f20806a30eb9d653b03435f945bd448c565a83a92a78bee34dcc8fd5d21b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e10badacdece082d2d53381b5384a6431bdd126112607ac2f2a74218450e0d0
[INFO] running `Command { std: "docker" "start" "-a" "1e10badacdece082d2d53381b5384a6431bdd126112607ac2f2a74218450e0d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling piece v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "1e10badacdece082d2d53381b5384a6431bdd126112607ac2f2a74218450e0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e10badacdece082d2d53381b5384a6431bdd126112607ac2f2a74218450e0d0", kill_on_drop: false }`
[INFO] [stdout] 1e10badacdece082d2d53381b5384a6431bdd126112607ac2f2a74218450e0d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88f5315649c5f6967bd5d9f1633048daa2bcd24d68c7dd4d1709c9fc4bdb61eb
[INFO] running `Command { std: "docker" "start" "-a" "88f5315649c5f6967bd5d9f1633048daa2bcd24d68c7dd4d1709c9fc4bdb61eb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/piece-5aec53dea35602f3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test chain_allocator::test::should_grow_allocation ... ok
[INFO] [stdout] test chain_allocator::test::should_grow_zeroed_allocation ... ok
[INFO] [stdout] test chain_allocator::test::should_alloc_zeroed ... ok
[INFO] [stdout] test chain_allocator::test::should_shrink_allocation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/chain_allocator.rs (/opt/rustwide/target/debug/deps/chain_allocator-0359aa2cf5a627d8)
[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] [stderr]      Running tests/linear_allocator.rs (/opt/rustwide/target/debug/deps/linear_allocator-da9383b1594b37ce)
[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] [stderr]    Doc-tests piece
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/linear_allocator.rs - linear_allocator::LinearAllocator (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/chain_allocator.rs - chain_allocator::ChainAllocator (line 192) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "88f5315649c5f6967bd5d9f1633048daa2bcd24d68c7dd4d1709c9fc4bdb61eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f5315649c5f6967bd5d9f1633048daa2bcd24d68c7dd4d1709c9fc4bdb61eb", kill_on_drop: false }`
[INFO] [stdout] 88f5315649c5f6967bd5d9f1633048daa2bcd24d68c7dd4d1709c9fc4bdb61eb