[INFO] fetching crate cntr 1.5.1...
[INFO] testing cntr-1.5.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cntr 1.5.1 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate cntr 1.5.1 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 cntr 1.5.1
[INFO] finished tweaking crates.io crate cntr 1.5.1
[INFO] tweaked toml for crates.io crate cntr 1.5.1 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate cntr 1.5.1 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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 53deefc14afc9e638c9c1128258df7390ff3e04b37626101069f1e1c885f172c
[INFO] running `Command { std: "docker" "start" "-a" "53deefc14afc9e638c9c1128258df7390ff3e04b37626101069f1e1c885f172c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53deefc14afc9e638c9c1128258df7390ff3e04b37626101069f1e1c885f172c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53deefc14afc9e638c9c1128258df7390ff3e04b37626101069f1e1c885f172c", kill_on_drop: false }`
[INFO] [stdout] 53deefc14afc9e638c9c1128258df7390ff3e04b37626101069f1e1c885f172c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] a90709f695705f37da1590c4f33f9f4a14e30324e7c6c83879640b9ed3d5ea3b
[INFO] running `Command { std: "docker" "start" "-a" "a90709f695705f37da1590c4f33f9f4a14e30324e7c6c83879640b9ed3d5ea3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cntr-fuse-abi v0.4.1
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling concurrent-hashmap v0.2.2
[INFO] [stderr]    Compiling cntr-fuse-sys v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling cntr-fuse v0.4.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling cntr v1.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.44s
[INFO] running `Command { std: "docker" "inspect" "a90709f695705f37da1590c4f33f9f4a14e30324e7c6c83879640b9ed3d5ea3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a90709f695705f37da1590c4f33f9f4a14e30324e7c6c83879640b9ed3d5ea3b", kill_on_drop: false }`
[INFO] [stdout] a90709f695705f37da1590c4f33f9f4a14e30324e7c6c83879640b9ed3d5ea3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 9f2478b0d7806097b9ed68ecc02b1542ee37479e7c5c26aaa478d533ec0e9646
[INFO] running `Command { std: "docker" "start" "-a" "9f2478b0d7806097b9ed68ecc02b1542ee37479e7c5c26aaa478d533ec0e9646", kill_on_drop: false }`
[INFO] [stderr]    Compiling cntr v1.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "9f2478b0d7806097b9ed68ecc02b1542ee37479e7c5c26aaa478d533ec0e9646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2478b0d7806097b9ed68ecc02b1542ee37479e7c5c26aaa478d533ec0e9646", kill_on_drop: false }`
[INFO] [stdout] 9f2478b0d7806097b9ed68ecc02b1542ee37479e7c5c26aaa478d533ec0e9646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] f4ed43609ff6b1f8beda2397eb7468b865a07eea6bc82d2058e9ec6edd96a3cd
[INFO] running `Command { std: "docker" "start" "-a" "f4ed43609ff6b1f8beda2397eb7468b865a07eea6bc82d2058e9ec6edd96a3cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cntr-7dd850c11cbe3d92)
[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 unittests (/opt/rustwide/target/debug/deps/cntr-3f335d38be4b24fb)
[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 cntr
[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" "f4ed43609ff6b1f8beda2397eb7468b865a07eea6bc82d2058e9ec6edd96a3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ed43609ff6b1f8beda2397eb7468b865a07eea6bc82d2058e9ec6edd96a3cd", kill_on_drop: false }`
[INFO] [stdout] f4ed43609ff6b1f8beda2397eb7468b865a07eea6bc82d2058e9ec6edd96a3cd