[INFO] fetching crate serde_str_helpers 0.1.2...
[INFO] testing serde_str_helpers-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate serde_str_helpers 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde_str_helpers 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_str_helpers 0.1.2
[INFO] finished tweaking crates.io crate serde_str_helpers 0.1.2
[INFO] tweaked toml for crates.io crate serde_str_helpers 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.49.0" "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] b0d6f5947e7acf048780c7e857230d72a3d3b8b115973cabd38e2b01fe35fa0a
[INFO] running `Command { std: "docker" "start" "-a" "b0d6f5947e7acf048780c7e857230d72a3d3b8b115973cabd38e2b01fe35fa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d6f5947e7acf048780c7e857230d72a3d3b8b115973cabd38e2b01fe35fa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d6f5947e7acf048780c7e857230d72a3d3b8b115973cabd38e2b01fe35fa0a", kill_on_drop: false }`
[INFO] [stdout] b0d6f5947e7acf048780c7e857230d72a3d3b8b115973cabd38e2b01fe35fa0a
[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" "+1.49.0" "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] a391f4df35e36597b9fe9a7dc023c6d0c3d3e65940adbd4421cfc68051150346
[INFO] running `Command { std: "docker" "start" "-a" "a391f4df35e36597b9fe9a7dc023c6d0c3d3e65940adbd4421cfc68051150346", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_str_helpers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a391f4df35e36597b9fe9a7dc023c6d0c3d3e65940adbd4421cfc68051150346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a391f4df35e36597b9fe9a7dc023c6d0c3d3e65940adbd4421cfc68051150346", kill_on_drop: false }`
[INFO] [stdout] a391f4df35e36597b9fe9a7dc023c6d0c3d3e65940adbd4421cfc68051150346
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acd119aea3fda9cbd3a399df1d5adb18201a8a45f772c7a665bb2e0652fcd7b3
[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" "acd119aea3fda9cbd3a399df1d5adb18201a8a45f772c7a665bb2e0652fcd7b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_str_helpers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "acd119aea3fda9cbd3a399df1d5adb18201a8a45f772c7a665bb2e0652fcd7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd119aea3fda9cbd3a399df1d5adb18201a8a45f772c7a665bb2e0652fcd7b3", kill_on_drop: false }`
[INFO] [stdout] acd119aea3fda9cbd3a399df1d5adb18201a8a45f772c7a665bb2e0652fcd7b3
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9818c3134878a0ec6b61362caac9e9c02849f7dc9e462f78a105fcb62097222
[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" "a9818c3134878a0ec6b61362caac9e9c02849f7dc9e462f78a105fcb62097222", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_str_helpers-8dbfa706bcb034cd
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests serde_str_helpers
[INFO] [stdout] test tests::conversions_cow ... ok
[INFO] [stdout] test tests::actually_borrows_str ... ok
[INFO] [stdout] test tests::conversions_refs ... ok
[INFO] [stdout] test tests::conversions_string ... ok
[INFO] [stdout] test tests::deref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - DeserBorrowStr (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9818c3134878a0ec6b61362caac9e9c02849f7dc9e462f78a105fcb62097222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9818c3134878a0ec6b61362caac9e9c02849f7dc9e462f78a105fcb62097222", kill_on_drop: false }`
[INFO] [stdout] a9818c3134878a0ec6b61362caac9e9c02849f7dc9e462f78a105fcb62097222