[INFO] fetching crate xcompress 0.11.4...
[INFO] testing xcompress-0.11.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xcompress 0.11.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xcompress 0.11.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xcompress 0.11.4
[INFO] finished tweaking crates.io crate xcompress 0.11.4
[INFO] tweaked toml for crates.io crate xcompress 0.11.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate xcompress 0.11.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.1.12
[INFO] [stderr]   Downloaded byte-unit v4.0.4
[INFO] [stderr]   Downloaded concat-with v0.2.0
[INFO] [stderr]   Downloaded path-absolutize v3.0.0
[INFO] [stderr]   Downloaded generic-array v0.14.2
[INFO] [stderr]   Downloaded educe v0.4.2
[INFO] [stderr]   Downloaded execute-command-macro-impl v0.1.1
[INFO] [stderr]   Downloaded path-dedot v3.0.0
[INFO] [stderr]   Downloaded execute v0.2.5
[INFO] [stderr]   Downloaded scanner-rust v2.0.9
[INFO] [stderr]   Downloaded execute-command-macro v0.1.1
[INFO] [stderr]   Downloaded execute-command-tokens v0.1.1
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 06af7e2cbccfb309664d5c4f4c042e7d63e1bcdce20b7f13a7ef21a308002240
[INFO] running `Command { std: "docker" "start" "-a" "06af7e2cbccfb309664d5c4f4c042e7d63e1bcdce20b7f13a7ef21a308002240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06af7e2cbccfb309664d5c4f4c042e7d63e1bcdce20b7f13a7ef21a308002240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06af7e2cbccfb309664d5c4f4c042e7d63e1bcdce20b7f13a7ef21a308002240", kill_on_drop: false }`
[INFO] [stdout] 06af7e2cbccfb309664d5c4f4c042e7d63e1bcdce20b7f13a7ef21a308002240
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0782611d56a857d1764c3d1f40218f98f44aa1fa55582a86ad63ff08a8a3a24e
[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" "0782611d56a857d1764c3d1f40218f98f44aa1fa55582a86ad63ff08a8a3a24e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling execute-command-tokens v0.1.1
[INFO] [stderr]    Compiling concat-with v0.2.0
[INFO] [stderr]    Compiling byte-unit v4.0.4
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling path-dedot v3.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling path-absolutize v3.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.1
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]    Compiling execute-command-macro v0.1.1
[INFO] [stderr]    Compiling execute v0.2.5
[INFO] [stderr]    Compiling scanner-rust v2.0.9
[INFO] [stderr]    Compiling xcompress v0.11.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.61s
[INFO] running `Command { std: "docker" "inspect" "0782611d56a857d1764c3d1f40218f98f44aa1fa55582a86ad63ff08a8a3a24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0782611d56a857d1764c3d1f40218f98f44aa1fa55582a86ad63ff08a8a3a24e", kill_on_drop: false }`
[INFO] [stdout] 0782611d56a857d1764c3d1f40218f98f44aa1fa55582a86ad63ff08a8a3a24e
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77a390e23db27a566c9e12211b06ae5cc5d83d0ed577e84aad8d4c2a89a46aaf
[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" "77a390e23db27a566c9e12211b06ae5cc5d83d0ed577e84aad8d4c2a89a46aaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcompress v0.11.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "77a390e23db27a566c9e12211b06ae5cc5d83d0ed577e84aad8d4c2a89a46aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a390e23db27a566c9e12211b06ae5cc5d83d0ed577e84aad8d4c2a89a46aaf", kill_on_drop: false }`
[INFO] [stdout] 77a390e23db27a566c9e12211b06ae5cc5d83d0ed577e84aad8d4c2a89a46aaf
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7044f553849389232f20bc37b43e7f82de2dcd3d01755095a3ccf0cab251af60
[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" "7044f553849389232f20bc37b43e7f82de2dcd3d01755095a3ccf0cab251af60", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xcompress-be2509d72e91543c
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xcompress-9a911f62c8c98c89
[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] [stdout] 
[INFO] [stderr]    Doc-tests xcompress
[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] [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" "7044f553849389232f20bc37b43e7f82de2dcd3d01755095a3ccf0cab251af60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7044f553849389232f20bc37b43e7f82de2dcd3d01755095a3ccf0cab251af60", kill_on_drop: false }`
[INFO] [stdout] 7044f553849389232f20bc37b43e7f82de2dcd3d01755095a3ccf0cab251af60