[INFO] fetching crate once_self_cell 0.6.3...
[INFO] building once_self_cell-0.6.3 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate once_self_cell 0.6.3 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate once_self_cell 0.6.3 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate once_self_cell 0.6.3
[INFO] finished tweaking crates.io crate once_self_cell 0.6.3
[INFO] tweaked toml for crates.io crate once_self_cell 0.6.3 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e278f129420e3361163e054079e62fa5605aee7656c9f5cbc97100c92286bcb
[INFO] running `Command { std: "docker" "start" "-a" "6e278f129420e3361163e054079e62fa5605aee7656c9f5cbc97100c92286bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e278f129420e3361163e054079e62fa5605aee7656c9f5cbc97100c92286bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e278f129420e3361163e054079e62fa5605aee7656c9f5cbc97100c92286bcb", kill_on_drop: false }`
[INFO] [stdout] 6e278f129420e3361163e054079e62fa5605aee7656c9f5cbc97100c92286bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6ac948d5f4a4896232db4c4fd09fc0f60ce5d3571024f17ac4fdb5fb4e21b3
[INFO] running `Command { std: "docker" "start" "-a" "fa6ac948d5f4a4896232db4c4fd09fc0f60ce5d3571024f17ac4fdb5fb4e21b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling once_self_cell v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "fa6ac948d5f4a4896232db4c4fd09fc0f60ce5d3571024f17ac4fdb5fb4e21b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6ac948d5f4a4896232db4c4fd09fc0f60ce5d3571024f17ac4fdb5fb4e21b3", kill_on_drop: false }`
[INFO] [stdout] fa6ac948d5f4a4896232db4c4fd09fc0f60ce5d3571024f17ac4fdb5fb4e21b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa4decec429ab6c19da07bf9eaabd9e6f70a1c32e682bbb9d9a63fdae7da9f32
[INFO] running `Command { std: "docker" "start" "-a" "fa4decec429ab6c19da07bf9eaabd9e6f70a1c32e682bbb9d9a63fdae7da9f32", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling trybuild v1.0.62
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling once_self_cell v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.33s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/once_self_cell-fa01189f90f25b9a)
[INFO] running `Command { std: "docker" "inspect" "fa4decec429ab6c19da07bf9eaabd9e6f70a1c32e682bbb9d9a63fdae7da9f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4decec429ab6c19da07bf9eaabd9e6f70a1c32e682bbb9d9a63fdae7da9f32", kill_on_drop: false }`
[INFO] [stdout] fa4decec429ab6c19da07bf9eaabd9e6f70a1c32e682bbb9d9a63fdae7da9f32