[INFO] fetching crate nix-test-runner 0.4.3...
[INFO] checking nix-test-runner-0.4.3 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate nix-test-runner 0.4.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nix-test-runner 0.4.3 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nix-test-runner 0.4.3
[INFO] finished tweaking crates.io crate nix-test-runner 0.4.3
[INFO] tweaked toml for crates.io crate nix-test-runner 0.4.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate nix-test-runner 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded xml-rs v0.8.0
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded derive-getters v0.0.7
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded junit-report v0.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded serde_json v1.0.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c4e92799bfde976b05a254cc30924573f5cbca4ed5963bae91e8f6a4e70439
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19c4e92799bfde976b05a254cc30924573f5cbca4ed5963bae91e8f6a4e70439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c4e92799bfde976b05a254cc30924573f5cbca4ed5963bae91e8f6a4e70439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c4e92799bfde976b05a254cc30924573f5cbca4ed5963bae91e8f6a4e70439", kill_on_drop: false }`
[INFO] [stdout] 19c4e92799bfde976b05a254cc30924573f5cbca4ed5963bae91e8f6a4e70439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8152f4d919c1b9f430f65c5c85ab7a1efeb3790020c35c47355c81f8233deb9d
[INFO] running `Command { std: "docker" "start" "-a" "8152f4d919c1b9f430f65c5c85ab7a1efeb3790020c35c47355c81f8233deb9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling derive-getters v0.0.7
[INFO] [stderr]     Checking junit-report v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking nix-test-runner v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.05s
[INFO] running `Command { std: "docker" "inspect" "8152f4d919c1b9f430f65c5c85ab7a1efeb3790020c35c47355c81f8233deb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8152f4d919c1b9f430f65c5c85ab7a1efeb3790020c35c47355c81f8233deb9d", kill_on_drop: false }`
[INFO] [stdout] 8152f4d919c1b9f430f65c5c85ab7a1efeb3790020c35c47355c81f8233deb9d