[INFO] fetching crate opml 1.1.3...
[INFO] testing opml-1.1.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate opml 1.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate opml 1.1.3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opml 1.1.3
[INFO] finished tweaking crates.io crate opml 1.1.3
[INFO] tweaked toml for crates.io crate opml 1.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate opml 1.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 84daf083e62ff7d4c973c7418b98723de895e02034e9df2a0c1fb0a6f0a0b15b
[INFO] running `Command { std: "docker" "start" "-a" "84daf083e62ff7d4c973c7418b98723de895e02034e9df2a0c1fb0a6f0a0b15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84daf083e62ff7d4c973c7418b98723de895e02034e9df2a0c1fb0a6f0a0b15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84daf083e62ff7d4c973c7418b98723de895e02034e9df2a0c1fb0a6f0a0b15b", kill_on_drop: false }`
[INFO] [stdout] 84daf083e62ff7d4c973c7418b98723de895e02034e9df2a0c1fb0a6f0a0b15b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6668aa9b7fca111b9a861e07c5a732c1ef33b89c95c77d6c7956290eeb2f3d2
[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" "b6668aa9b7fca111b9a861e07c5a732c1ef33b89c95c77d6c7956290eeb2f3d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling strong-xml-derive v0.6.3
[INFO] [stderr]    Compiling strong-xml v0.6.3
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling opml v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> source/lib.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stdout]    |   ^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.73s
[INFO] running `Command { std: "docker" "inspect" "b6668aa9b7fca111b9a861e07c5a732c1ef33b89c95c77d6c7956290eeb2f3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6668aa9b7fca111b9a861e07c5a732c1ef33b89c95c77d6c7956290eeb2f3d2", kill_on_drop: false }`
[INFO] [stdout] b6668aa9b7fca111b9a861e07c5a732c1ef33b89c95c77d6c7956290eeb2f3d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a4c9f2df3c0d0d072af4900c0552b0e460b52c5eae530b6bbd8e318dd975099
[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" "7a4c9f2df3c0d0d072af4900c0552b0e460b52c5eae530b6bbd8e318dd975099", kill_on_drop: false }`
[INFO] [stderr]    Compiling opml v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> source/lib.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stdout]    |   ^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> source/lib.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stdout]    |   ^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "7a4c9f2df3c0d0d072af4900c0552b0e460b52c5eae530b6bbd8e318dd975099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4c9f2df3c0d0d072af4900c0552b0e460b52c5eae530b6bbd8e318dd975099", kill_on_drop: false }`
[INFO] [stdout] 7a4c9f2df3c0d0d072af4900c0552b0e460b52c5eae530b6bbd8e318dd975099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] 877c98e415ec3f14e2169d466d43ac140ee1e108c9bc3c6f223689c27c152c9b
[INFO] running `Command { std: "docker" "start" "-a" "877c98e415ec3f14e2169d466d43ac140ee1e108c9bc3c6f223689c27c152c9b", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> source/lib.rs:60:3
[INFO] [stderr]    |
[INFO] [stderr] 60 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stderr]    |   ^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `opml` (lib) generated 1 warning
[INFO] [stderr] warning: `opml` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opml-5e835ef3bba5db9e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/construction.rs (/opt/rustwide/target/debug/deps/construction-60aa31e1e183294d)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/deprecated.rs (/opt/rustwide/target/debug/deps/deprecated-cc524ff2ba5a78d4)
[INFO] [stdout] test test_opml_construction_1 ... ok
[INFO] [stdout] test test_opml_construction_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_deprecated_functions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/errors.rs (/opt/rustwide/target/debug/deps/errors-362f9e6c06a77098)
[INFO] [stdout] test test_invalid_opml_version ... ok
[INFO] [stdout] test test_invalid_opml_no_outlines ... ok
[INFO] [stderr]      Running tests/spec_samples.rs (/opt/rustwide/target/debug/deps/spec_samples-010fad46936b0f57)
[INFO] [stdout] test test_invalid_xml - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/valid.rs (/opt/rustwide/target/debug/deps/valid-a195d69093f54fb5)
[INFO] [stdout] test test_spec_samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_minimum_valid_opml ... ok
[INFO] [stdout] test test_valid_from_reader ... ok
[INFO] [stdout] test test_valid_opml_with_everything ... ok
[INFO] [stdout] test test_valid_opml_1_0 ... ok
[INFO] [stdout] test test_valid_to_writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opml
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test source/lib.rs - OPML::from_reader (line 127) - compile ... ok
[INFO] [stdout] test source/lib.rs - OPML::to_writer (line 201) - compile ... ok
[INFO] [stdout] test source/lib.rs - (line 18) ... ok
[INFO] [stdout] test source/lib.rs - OPML::from_str (line 89) ... ok
[INFO] [stdout] test source/lib.rs - Outline::add_feed (line 392) ... ok
[INFO] [stdout] test source/lib.rs - OPML::to_string (line 184) ... ok
[INFO] [stdout] test source/lib.rs - OPML::add_feed (line 149) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "877c98e415ec3f14e2169d466d43ac140ee1e108c9bc3c6f223689c27c152c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877c98e415ec3f14e2169d466d43ac140ee1e108c9bc3c6f223689c27c152c9b", kill_on_drop: false }`
[INFO] [stdout] 877c98e415ec3f14e2169d466d43ac140ee1e108c9bc3c6f223689c27c152c9b