[INFO] fetching crate cargo-docset 0.2.1...
[INFO] testing cargo-docset-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-docset 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cargo-docset 0.2.1 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 cargo-docset 0.2.1
[INFO] finished tweaking crates.io crate cargo-docset 0.2.1
[INFO] tweaked toml for crates.io crate cargo-docset 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate cargo-docset 0.2.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusqlite v0.24.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.20.0
[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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a68677c1c99316a12d83bf5dbea0a083145f689baa52bdc059f11f6c9c085c9b
[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" "a68677c1c99316a12d83bf5dbea0a083145f689baa52bdc059f11f6c9c085c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68677c1c99316a12d83bf5dbea0a083145f689baa52bdc059f11f6c9c085c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68677c1c99316a12d83bf5dbea0a083145f689baa52bdc059f11f6c9c085c9b", kill_on_drop: false }`
[INFO] [stdout] a68677c1c99316a12d83bf5dbea0a083145f689baa52bdc059f11f6c9c085c9b
[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" "+beta-2021-01-01" "build" "--frozen" "--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] b5e496a70dd92b4396da598d0d05d23a23e9eb7ee05ab0aaab94989f3ac628ac
[INFO] running `Command { std: "docker" "start" "-a" "b5e496a70dd92b4396da598d0d05d23a23e9eb7ee05ab0aaab94989f3ac628ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling rusqlite v0.24.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling snafu v0.6.8
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling cargo-docset v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "b5e496a70dd92b4396da598d0d05d23a23e9eb7ee05ab0aaab94989f3ac628ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e496a70dd92b4396da598d0d05d23a23e9eb7ee05ab0aaab94989f3ac628ac", kill_on_drop: false }`
[INFO] [stdout] b5e496a70dd92b4396da598d0d05d23a23e9eb7ee05ab0aaab94989f3ac628ac
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f201b4be378929759b481e2abe82a151b28452ddbd637d1107583f751a29d94
[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" "8f201b4be378929759b481e2abe82a151b28452ddbd637d1107583f751a29d94", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-docset v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "8f201b4be378929759b481e2abe82a151b28452ddbd637d1107583f751a29d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f201b4be378929759b481e2abe82a151b28452ddbd637d1107583f751a29d94", kill_on_drop: false }`
[INFO] [stdout] 8f201b4be378929759b481e2abe82a151b28452ddbd637d1107583f751a29d94
[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" "+beta-2021-01-01" "test" "--frozen", 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] bda1b14526e325f1baef72369fe6f2d5a3fa07b84f058a4d63f497b5a7e5c6d9
[INFO] running `Command { std: "docker" "start" "-a" "bda1b14526e325f1baef72369fe6f2d5a3fa07b84f058a4d63f497b5a7e5c6d9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_docset-5e36ae6a04364473
[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" "bda1b14526e325f1baef72369fe6f2d5a3fa07b84f058a4d63f497b5a7e5c6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda1b14526e325f1baef72369fe6f2d5a3fa07b84f058a4d63f497b5a7e5c6d9", kill_on_drop: false }`
[INFO] [stdout] bda1b14526e325f1baef72369fe6f2d5a3fa07b84f058a4d63f497b5a7e5c6d9