[INFO] crate string 0.2.1 is already in cache
[INFO] testing string-0.2.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate string 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate string 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string 0.2.1
[INFO] finished tweaking crates.io crate string 0.2.1
[INFO] tweaked toml for crates.io crate string 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] b0ff47088d6a3d4044a019e4eab70139a2be4b75bfc4e85b5dc54d9e5f3246f1
[INFO] running `Command { std: "docker" "start" "-a" "b0ff47088d6a3d4044a019e4eab70139a2be4b75bfc4e85b5dc54d9e5f3246f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ff47088d6a3d4044a019e4eab70139a2be4b75bfc4e85b5dc54d9e5f3246f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ff47088d6a3d4044a019e4eab70139a2be4b75bfc4e85b5dc54d9e5f3246f1", kill_on_drop: false }`
[INFO] [stdout] b0ff47088d6a3d4044a019e4eab70139a2be4b75bfc4e85b5dc54d9e5f3246f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8de55fcae1fbc91b754d00d5b4acd9fb7d870f630ee4bd61957858fd2f0c32fc
[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" "8de55fcae1fbc91b754d00d5b4acd9fb7d870f630ee4bd61957858fd2f0c32fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling string v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8de55fcae1fbc91b754d00d5b4acd9fb7d870f630ee4bd61957858fd2f0c32fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de55fcae1fbc91b754d00d5b4acd9fb7d870f630ee4bd61957858fd2f0c32fc", kill_on_drop: false }`
[INFO] [stdout] 8de55fcae1fbc91b754d00d5b4acd9fb7d870f630ee4bd61957858fd2f0c32fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 4bdadfa18480b62ceda905f57250c2fdbdf0c12b2ed07d889e50291e09fe70b2
[INFO] running `Command { std: "docker" "start" "-a" "4bdadfa18480b62ceda905f57250c2fdbdf0c12b2ed07d889e50291e09fe70b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling string v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "4bdadfa18480b62ceda905f57250c2fdbdf0c12b2ed07d889e50291e09fe70b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdadfa18480b62ceda905f57250c2fdbdf0c12b2ed07d889e50291e09fe70b2", kill_on_drop: false }`
[INFO] [stdout] 4bdadfa18480b62ceda905f57250c2fdbdf0c12b2ed07d889e50291e09fe70b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aaafd8f3575e1e871581b1250efa5bb3bf3a50999cd7bfe6ca4b86df0dc13855
[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" "aaafd8f3575e1e871581b1250efa5bb3bf3a50999cd7bfe6ca4b86df0dc13855", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string-c5c808b7672fb135
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_try_from_bytes ... ok
[INFO] [stdout] test test::test_from_str ... ok
[INFO] [stderr]    Doc-tests string
[INFO] [stdout] test test::test_from_std_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - String<T>::from_str (line 93) ... ok
[INFO] [stdout] test src/lib.rs - String<T>::get_ref (line 48) ... ok
[INFO] [stdout] test src/lib.rs - String<T>::into_inner (line 80) ... ok
[INFO] [stdout] test src/lib.rs - String<T>::get_mut (line 64) ... ok
[INFO] [stdout] test src/lib.rs - String::new (line 114) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aaafd8f3575e1e871581b1250efa5bb3bf3a50999cd7bfe6ca4b86df0dc13855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaafd8f3575e1e871581b1250efa5bb3bf3a50999cd7bfe6ca4b86df0dc13855", kill_on_drop: false }`
[INFO] [stdout] aaafd8f3575e1e871581b1250efa5bb3bf3a50999cd7bfe6ca4b86df0dc13855