[INFO] fetching crate single 1.0.0...
[INFO] testing single-1.0.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate single 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate single 1.0.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate single 1.0.0
[INFO] finished tweaking crates.io crate single 1.0.0
[INFO] tweaked toml for crates.io crate single 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a112b6055073823680d731948cd2ccb67a2b715860a5cd76f79de5c41a0c0446
[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" "a112b6055073823680d731948cd2ccb67a2b715860a5cd76f79de5c41a0c0446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a112b6055073823680d731948cd2ccb67a2b715860a5cd76f79de5c41a0c0446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a112b6055073823680d731948cd2ccb67a2b715860a5cd76f79de5c41a0c0446", kill_on_drop: false }`
[INFO] [stdout] a112b6055073823680d731948cd2ccb67a2b715860a5cd76f79de5c41a0c0446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc91fcef99887d0d428758bb8660a4787313131f1b7b155d40a442e2b3ff63c
[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" "9dc91fcef99887d0d428758bb8660a4787313131f1b7b155d40a442e2b3ff63c", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling single v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "9dc91fcef99887d0d428758bb8660a4787313131f1b7b155d40a442e2b3ff63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc91fcef99887d0d428758bb8660a4787313131f1b7b155d40a442e2b3ff63c", kill_on_drop: false }`
[INFO] [stdout] 9dc91fcef99887d0d428758bb8660a4787313131f1b7b155d40a442e2b3ff63c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12dcda22eaa1acf476cc0e1967f6e7ab3e82cd962c9d0120be84f6f20c5fb26
[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" "a12dcda22eaa1acf476cc0e1967f6e7ab3e82cd962c9d0120be84f6f20c5fb26", kill_on_drop: false }`
[INFO] [stderr]    Compiling single v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "a12dcda22eaa1acf476cc0e1967f6e7ab3e82cd962c9d0120be84f6f20c5fb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12dcda22eaa1acf476cc0e1967f6e7ab3e82cd962c9d0120be84f6f20c5fb26", kill_on_drop: false }`
[INFO] [stdout] a12dcda22eaa1acf476cc0e1967f6e7ab3e82cd962c9d0120be84f6f20c5fb26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 854874f2861532b9f7c053a7628e0909d04433647a2adbbf4a34953e9b0d01f4
[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" "854874f2861532b9f7c053a7628e0909d04433647a2adbbf4a34953e9b0d01f4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single-bc3882f283a8a41e
[INFO] [stdout] test test::panic_empty ... ok
[INFO] [stderr]    Doc-tests single
[INFO] [stdout] test test::panic_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - Single::single (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "854874f2861532b9f7c053a7628e0909d04433647a2adbbf4a34953e9b0d01f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854874f2861532b9f7c053a7628e0909d04433647a2adbbf4a34953e9b0d01f4", kill_on_drop: false }`
[INFO] [stdout] 854874f2861532b9f7c053a7628e0909d04433647a2adbbf4a34953e9b0d01f4
