[INFO] fetching crate unmp-link-serial 0.7.0...
[INFO] testing unmp-link-serial-0.7.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate unmp-link-serial 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate unmp-link-serial 0.7.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unmp-link-serial 0.7.0
[INFO] finished tweaking crates.io crate unmp-link-serial 0.7.0
[INFO] tweaked toml for crates.io crate unmp-link-serial 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b510c4eaa274275397276f6ae6f7e8215ffcfdfa37b0db7c7e3a4ba96cddcf1
[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" "4b510c4eaa274275397276f6ae6f7e8215ffcfdfa37b0db7c7e3a4ba96cddcf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b510c4eaa274275397276f6ae6f7e8215ffcfdfa37b0db7c7e3a4ba96cddcf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b510c4eaa274275397276f6ae6f7e8215ffcfdfa37b0db7c7e3a4ba96cddcf1", kill_on_drop: false }`
[INFO] [stdout] 4b510c4eaa274275397276f6ae6f7e8215ffcfdfa37b0db7c7e3a4ba96cddcf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec0b4a02b2e95f3cd0e0d09b16ca09494e26397f31c809abf531e64847c4bbcd
[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" "ec0b4a02b2e95f3cd0e0d09b16ca09494e26397f31c809abf531e64847c4bbcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling eds v0.4.4
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.8
[INFO] [stderr]    Compiling unmp-link v0.7.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling task-stream v0.3.3
[INFO] [stderr]    Compiling unmp v0.7.3
[INFO] [stderr]    Compiling unmp-link-serial v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "ec0b4a02b2e95f3cd0e0d09b16ca09494e26397f31c809abf531e64847c4bbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0b4a02b2e95f3cd0e0d09b16ca09494e26397f31c809abf531e64847c4bbcd", kill_on_drop: false }`
[INFO] [stdout] ec0b4a02b2e95f3cd0e0d09b16ca09494e26397f31c809abf531e64847c4bbcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93ec789c14ec27316d62d67b8e5a909fc6f15c6b6df425bf7a8e2efbf5efb0c4
[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" "93ec789c14ec27316d62d67b8e5a909fc6f15c6b6df425bf7a8e2efbf5efb0c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unmp-link-serial v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "93ec789c14ec27316d62d67b8e5a909fc6f15c6b6df425bf7a8e2efbf5efb0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ec789c14ec27316d62d67b8e5a909fc6f15c6b6df425bf7a8e2efbf5efb0c4", kill_on_drop: false }`
[INFO] [stdout] 93ec789c14ec27316d62d67b8e5a909fc6f15c6b6df425bf7a8e2efbf5efb0c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49ef11f7244214e59ca4f31bb4dab4fa3564c483fd8c5aff99d78d9a3863be25
[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" "49ef11f7244214e59ca4f31bb4dab4fa3564c483fd8c5aff99d78d9a3863be25", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unmp_link_serial-76dc51a917c04ad7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unmp-link-serial
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "49ef11f7244214e59ca4f31bb4dab4fa3564c483fd8c5aff99d78d9a3863be25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ef11f7244214e59ca4f31bb4dab4fa3564c483fd8c5aff99d78d9a3863be25", kill_on_drop: false }`
[INFO] [stdout] 49ef11f7244214e59ca4f31bb4dab4fa3564c483fd8c5aff99d78d9a3863be25