[INFO] fetching crate string_cache 0.8.1...
[INFO] testing string_cache-0.8.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate string_cache 0.8.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate string_cache 0.8.1 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 string_cache 0.8.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate string_cache 0.8.1
[INFO] tweaked toml for crates.io crate string_cache 0.8.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate string_cache 0.8.1 already has a lockfile, it will not be regenerated
[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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4be0aee660069fa48be9d8c9f62c5de33815f3b615bc47e0318ee0bb64a48cb
[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" "a4be0aee660069fa48be9d8c9f62c5de33815f3b615bc47e0318ee0bb64a48cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4be0aee660069fa48be9d8c9f62c5de33815f3b615bc47e0318ee0bb64a48cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4be0aee660069fa48be9d8c9f62c5de33815f3b615bc47e0318ee0bb64a48cb", kill_on_drop: false }`
[INFO] [stdout] a4be0aee660069fa48be9d8c9f62c5de33815f3b615bc47e0318ee0bb64a48cb
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b0160892e923227989e02052238439eb86aa07b8092c383454dd4c81c1f764
[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" "99b0160892e923227989e02052238439eb86aa07b8092c383454dd4c81c1f764", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling string_cache v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "99b0160892e923227989e02052238439eb86aa07b8092c383454dd4c81c1f764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b0160892e923227989e02052238439eb86aa07b8092c383454dd4c81c1f764", kill_on_drop: false }`
[INFO] [stdout] 99b0160892e923227989e02052238439eb86aa07b8092c383454dd4c81c1f764
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bce872884ab6c021f51473b1907e031b2b5f2877333817a2b45acddc8e7aa67f
[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" "bce872884ab6c021f51473b1907e031b2b5f2877333817a2b45acddc8e7aa67f", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_cache v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "bce872884ab6c021f51473b1907e031b2b5f2877333817a2b45acddc8e7aa67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce872884ab6c021f51473b1907e031b2b5f2877333817a2b45acddc8e7aa67f", kill_on_drop: false }`
[INFO] [stdout] bce872884ab6c021f51473b1907e031b2b5f2877333817a2b45acddc8e7aa67f
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0c73582758f9714b71f8c89bc4446312782cf497499f4ff147c0eb5795e2b6b
[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" "d0c73582758f9714b71f8c89bc4446312782cf497499f4ff147c0eb5795e2b6b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string_cache-99a906fb011d8985
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test assert_sizes ... ok
[INFO] [stdout] test dynamic_set::entry_alignment_is_sufficient ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/small_stack-f90b7cb6d3ceed3e
[INFO] [stderr]    Doc-tests string_cache
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/atom.rs - atom::Atom (line 63) ... ignored
[INFO] [stdout] test src/lib.rs - (line 36) ... ignored
[INFO] [stdout] test src/lib.rs - (line 52) ... ignored
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0c73582758f9714b71f8c89bc4446312782cf497499f4ff147c0eb5795e2b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c73582758f9714b71f8c89bc4446312782cf497499f4ff147c0eb5795e2b6b", kill_on_drop: false }`
[INFO] [stdout] d0c73582758f9714b71f8c89bc4446312782cf497499f4ff147c0eb5795e2b6b