[INFO] fetching crate tsync 1.0.1...
[INFO] testing tsync-1.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tsync 1.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tsync 1.0.1 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 tsync 1.0.1
[INFO] finished tweaking crates.io crate tsync 1.0.1
[INFO] tweaked toml for crates.io crate tsync 1.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate tsync 1.0.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c11318d5adb5ef26bff9cb18ba71dc31fbd4b76ba0afe0da216b2978241511d
[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" "4c11318d5adb5ef26bff9cb18ba71dc31fbd4b76ba0afe0da216b2978241511d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c11318d5adb5ef26bff9cb18ba71dc31fbd4b76ba0afe0da216b2978241511d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c11318d5adb5ef26bff9cb18ba71dc31fbd4b76ba0afe0da216b2978241511d", kill_on_drop: false }`
[INFO] [stdout] 4c11318d5adb5ef26bff9cb18ba71dc31fbd4b76ba0afe0da216b2978241511d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebea6d81f2b4b6b1a3b2bc3ee9738e1dc758b9840e144865ee2cfe2cf6fb32ad
[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" "ebea6d81f2b4b6b1a3b2bc3ee9738e1dc758b9840e144865ee2cfe2cf6fb32ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling tsync v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.21s
[INFO] running `Command { std: "docker" "inspect" "ebea6d81f2b4b6b1a3b2bc3ee9738e1dc758b9840e144865ee2cfe2cf6fb32ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebea6d81f2b4b6b1a3b2bc3ee9738e1dc758b9840e144865ee2cfe2cf6fb32ad", kill_on_drop: false }`
[INFO] [stdout] ebea6d81f2b4b6b1a3b2bc3ee9738e1dc758b9840e144865ee2cfe2cf6fb32ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaf2eaa9693a53d7877df88e16079bc2085a01d8eac9352caff7a65d0fdfc43d
[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" "eaf2eaa9693a53d7877df88e16079bc2085a01d8eac9352caff7a65d0fdfc43d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tsync v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "eaf2eaa9693a53d7877df88e16079bc2085a01d8eac9352caff7a65d0fdfc43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf2eaa9693a53d7877df88e16079bc2085a01d8eac9352caff7a65d0fdfc43d", kill_on_drop: false }`
[INFO] [stdout] eaf2eaa9693a53d7877df88e16079bc2085a01d8eac9352caff7a65d0fdfc43d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b686f060b93935e52cbbf0d78d2dc25c34bc791a31e28f513c22d484b8dd9e5
[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" "7b686f060b93935e52cbbf0d78d2dc25c34bc791a31e28f513c22d484b8dd9e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tsync-a0aff4b35bd54c8e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tsync
[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" "7b686f060b93935e52cbbf0d78d2dc25c34bc791a31e28f513c22d484b8dd9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b686f060b93935e52cbbf0d78d2dc25c34bc791a31e28f513c22d484b8dd9e5", kill_on_drop: false }`
[INFO] [stdout] 7b686f060b93935e52cbbf0d78d2dc25c34bc791a31e28f513c22d484b8dd9e5