[INFO] fetching crate uniconize 1.0.1...
[INFO] testing uniconize-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate uniconize 1.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate uniconize 1.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uniconize 1.0.1
[INFO] finished tweaking crates.io crate uniconize 1.0.1
[INFO] tweaked toml for crates.io crate uniconize 1.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate uniconize 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d50c4b4f5797bff4f175e013a020fba6ff799cf97cdeef5cf9aabb643cb0bcf
[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" "2d50c4b4f5797bff4f175e013a020fba6ff799cf97cdeef5cf9aabb643cb0bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d50c4b4f5797bff4f175e013a020fba6ff799cf97cdeef5cf9aabb643cb0bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d50c4b4f5797bff4f175e013a020fba6ff799cf97cdeef5cf9aabb643cb0bcf", kill_on_drop: false }`
[INFO] [stdout] 2d50c4b4f5797bff4f175e013a020fba6ff799cf97cdeef5cf9aabb643cb0bcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4884969bcb58169376a7e7ea4b7da1d326b6a87486cbcfa0bcf347c45a4d52d
[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" "e4884969bcb58169376a7e7ea4b7da1d326b6a87486cbcfa0bcf347c45a4d52d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling x11rb v0.5.0
[INFO] [stderr]    Compiling uniconize v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.79s
[INFO] running `Command { std: "docker" "inspect" "e4884969bcb58169376a7e7ea4b7da1d326b6a87486cbcfa0bcf347c45a4d52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4884969bcb58169376a7e7ea4b7da1d326b6a87486cbcfa0bcf347c45a4d52d", kill_on_drop: false }`
[INFO] [stdout] e4884969bcb58169376a7e7ea4b7da1d326b6a87486cbcfa0bcf347c45a4d52d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce793d47fa77af527816d00af068d49c25576881ccf499e4440302f7df8e8ba5
[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" "ce793d47fa77af527816d00af068d49c25576881ccf499e4440302f7df8e8ba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling uniconize v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "ce793d47fa77af527816d00af068d49c25576881ccf499e4440302f7df8e8ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce793d47fa77af527816d00af068d49c25576881ccf499e4440302f7df8e8ba5", kill_on_drop: false }`
[INFO] [stdout] ce793d47fa77af527816d00af068d49c25576881ccf499e4440302f7df8e8ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 023e25c22e4e4949a12c7e58d2d92fc5902863a48b7d13fad4365b99e0bdd55d
[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" "023e25c22e4e4949a12c7e58d2d92fc5902863a48b7d13fad4365b99e0bdd55d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uniconize-0ddebcc9d9b60bba
[INFO] running `Command { std: "docker" "inspect" "023e25c22e4e4949a12c7e58d2d92fc5902863a48b7d13fad4365b99e0bdd55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023e25c22e4e4949a12c7e58d2d92fc5902863a48b7d13fad4365b99e0bdd55d", kill_on_drop: false }`
[INFO] [stdout] 023e25c22e4e4949a12c7e58d2d92fc5902863a48b7d13fad4365b99e0bdd55d