[INFO] fetching crate sabre 0.1.1...
[INFO] testing sabre-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sabre 0.1.1 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate sabre 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sabre 0.1.1
[INFO] finished tweaking crates.io crate sabre 0.1.1
[INFO] tweaked toml for crates.io crate sabre 0.1.1 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate sabre 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 463560d095e5944c7c255551c05bc1114507c390f98dbfd1091dd44201f39efb
[INFO] running `Command { std: "docker" "start" "-a" "463560d095e5944c7c255551c05bc1114507c390f98dbfd1091dd44201f39efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "463560d095e5944c7c255551c05bc1114507c390f98dbfd1091dd44201f39efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463560d095e5944c7c255551c05bc1114507c390f98dbfd1091dd44201f39efb", kill_on_drop: false }`
[INFO] [stdout] 463560d095e5944c7c255551c05bc1114507c390f98dbfd1091dd44201f39efb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3e83a94bd603c7ef47689a79c02d6ffd60f6a51e9e2471c41308d638abe515e
[INFO] running `Command { std: "docker" "start" "-a" "b3e83a94bd603c7ef47689a79c02d6ffd60f6a51e9e2471c41308d638abe515e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sabre v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "b3e83a94bd603c7ef47689a79c02d6ffd60f6a51e9e2471c41308d638abe515e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e83a94bd603c7ef47689a79c02d6ffd60f6a51e9e2471c41308d638abe515e", kill_on_drop: false }`
[INFO] [stdout] b3e83a94bd603c7ef47689a79c02d6ffd60f6a51e9e2471c41308d638abe515e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ead21f5ee424f3127ba5c522da39e371ab72bc6a041818d8a86b7678a9a0023
[INFO] running `Command { std: "docker" "start" "-a" "2ead21f5ee424f3127ba5c522da39e371ab72bc6a041818d8a86b7678a9a0023", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sabre v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "2ead21f5ee424f3127ba5c522da39e371ab72bc6a041818d8a86b7678a9a0023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ead21f5ee424f3127ba5c522da39e371ab72bc6a041818d8a86b7678a9a0023", kill_on_drop: false }`
[INFO] [stdout] 2ead21f5ee424f3127ba5c522da39e371ab72bc6a041818d8a86b7678a9a0023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94535eab6b1161e79c6756aafe6af5a9f6605a3ffb24bf4c00e77bbb09f35d2a
[INFO] running `Command { std: "docker" "start" "-a" "94535eab6b1161e79c6756aafe6af5a9f6605a3ffb24bf4c00e77bbb09f35d2a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sabre-b6505e83af065084)
[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" "94535eab6b1161e79c6756aafe6af5a9f6605a3ffb24bf4c00e77bbb09f35d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94535eab6b1161e79c6756aafe6af5a9f6605a3ffb24bf4c00e77bbb09f35d2a", kill_on_drop: false }`
[INFO] [stdout] 94535eab6b1161e79c6756aafe6af5a9f6605a3ffb24bf4c00e77bbb09f35d2a