[INFO] fetching crate rustc-demangle 0.1.18...
[INFO] testing rustc-demangle-0.1.18 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rustc-demangle 0.1.18 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rustc-demangle 0.1.18 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 rustc-demangle 0.1.18
[INFO] finished tweaking crates.io crate rustc-demangle 0.1.18
[INFO] tweaked toml for crates.io crate rustc-demangle 0.1.18 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1312405e519cfd75faabb906015dd4682f9842da40fa252e39818ab07493fd45
[INFO] running `Command { std: "docker" "start" "-a" "1312405e519cfd75faabb906015dd4682f9842da40fa252e39818ab07493fd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1312405e519cfd75faabb906015dd4682f9842da40fa252e39818ab07493fd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1312405e519cfd75faabb906015dd4682f9842da40fa252e39818ab07493fd45", kill_on_drop: false }`
[INFO] [stdout] 1312405e519cfd75faabb906015dd4682f9842da40fa252e39818ab07493fd45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 71f320b42e600cbe269dfa3509ba26697b2aff91d290d2640af145fbdb9fa8d4
[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" "71f320b42e600cbe269dfa3509ba26697b2aff91d290d2640af145fbdb9fa8d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-demangle v0.1.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "71f320b42e600cbe269dfa3509ba26697b2aff91d290d2640af145fbdb9fa8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f320b42e600cbe269dfa3509ba26697b2aff91d290d2640af145fbdb9fa8d4", kill_on_drop: false }`
[INFO] [stdout] 71f320b42e600cbe269dfa3509ba26697b2aff91d290d2640af145fbdb9fa8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4081e3a7798dc5e7672ce0e701bc2bd52e74962e7a69da840e335db04a9f932a
[INFO] running `Command { std: "docker" "start" "-a" "4081e3a7798dc5e7672ce0e701bc2bd52e74962e7a69da840e335db04a9f932a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-demangle v0.1.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "4081e3a7798dc5e7672ce0e701bc2bd52e74962e7a69da840e335db04a9f932a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4081e3a7798dc5e7672ce0e701bc2bd52e74962e7a69da840e335db04a9f932a", kill_on_drop: false }`
[INFO] [stdout] 4081e3a7798dc5e7672ce0e701bc2bd52e74962e7a69da840e335db04a9f932a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 759f777170e9f4d7106f9849d58bfc1d0c930350cd936d79961fdd5d7bb11281
[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" "759f777170e9f4d7106f9849d58bfc1d0c930350cd936d79961fdd5d7bb11281", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 42 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustc_demangle-bfbcde91fe98c0f5
[INFO] [stdout] test legacy::tests::demangle_elements_beginning_with_underscore ... ok
[INFO] [stdout] test legacy::tests::demangle_issue_60925 ... ok
[INFO] [stdout] test legacy::tests::demangle_llvm_ir_branch_labels ... ok
[INFO] [stdout] test legacy::tests::demangle ... ok
[INFO] [stdout] test legacy::tests::demangle_thinlto ... ok
[INFO] [stdout] test legacy::tests::demangle_many_dollars ... ok
[INFO] [stdout] test legacy::tests::handle_bang ... ok
[INFO] [stdout] test legacy::tests::demangle_osx ... ok
[INFO] [stdout] test legacy::tests::invalid_no_chop ... ok
[INFO] [stdout] test tests::demangle_ignores_suffix_that_doesnt_look_like_a_symbol ... ok
[INFO] [stdout] test tests::demangle_dollars ... ok
[INFO] [stdout] test tests::demangle ... ok
[INFO] [stdout] test legacy::tests::demangle_ignores_suffix_that_doesnt_look_like_a_symbol ... ok
[INFO] [stdout] test legacy::tests::demangle_dollars ... ok
[INFO] [stdout] test tests::demangle_osx ... ok
[INFO] [stdout] test tests::demangle_thinlto ... ok
[INFO] [stdout] test tests::demangle_llvm_ir_branch_labels ... ok
[INFO] [stdout] test tests::demangle_trait_impls ... ok
[INFO] [stdout] test legacy::tests::demangle_utf8_idents ... ok
[INFO] [stdout] test legacy::tests::demangle_windows ... ok
[INFO] [stdout] test tests::demangle_without_hash ... ok
[INFO] [stdout] test tests::demangle_windows ... ok
[INFO] [stdout] test tests::demangle_without_hash_edgecases ... ok
[INFO] [stdout] test tests::demangle_elements_beginning_with_underscore ... ok
[INFO] [stdout] test legacy::tests::demangle_trait_impls ... ok
[INFO] [stdout] test legacy::tests::demangle_without_hash_edgecases ... ok
[INFO] [stdout] test legacy::tests::handle_assoc_types ... ok
[INFO] [stdout] test tests::demangle_many_dollars ... ok
[INFO] [stdout] test tests::dont_panic ... ok
[INFO] [stdout] test tests::handle_assoc_types ... ok
[INFO] [stdout] test tests::handle_bang ... ok
[INFO] [stdout] test tests::invalid_no_chop ... ok
[INFO] [stdout] test v0::tests::demangle_dyn_trait ... ok
[INFO] [stdout] test v0::tests::demangle_closure ... ok
[INFO] [stdout] test v0::tests::demangle_exponential_explosion ... ok
[INFO] [stdout] test v0::tests::demangle_const_generics ... ok
[INFO] [stdout] test v0::tests::demangle_crate_with_leading_digit ... ok
[INFO] [stdout] test v0::tests::demangle_utf8_idents ... ok
[INFO] [stdout] test v0::tests::demangle_extra_suffix ... ok
[INFO] [stdout] test v0::tests::demangle_thinlto ... ok
[INFO] [stdout] test legacy::tests::dont_panic ... ok
[INFO] [stdout] test legacy::tests::demangle_without_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustc-demangle
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - try_demangle (line 125) ... ok
[INFO] [stdout] test src/lib.rs - demangle (line 58) ... ok
[INFO] [stdout] test src/legacy.rs - legacy::demangle (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "759f777170e9f4d7106f9849d58bfc1d0c930350cd936d79961fdd5d7bb11281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759f777170e9f4d7106f9849d58bfc1d0c930350cd936d79961fdd5d7bb11281", kill_on_drop: false }`
[INFO] [stdout] 759f777170e9f4d7106f9849d58bfc1d0c930350cd936d79961fdd5d7bb11281