[INFO] fetching crate xpath_reader 0.5.3...
[INFO] testing xpath_reader-0.5.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xpath_reader 0.5.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xpath_reader 0.5.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xpath_reader 0.5.3
[INFO] finished tweaking crates.io crate xpath_reader 0.5.3
[INFO] tweaked toml for crates.io crate xpath_reader 0.5.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded sxd-xpath v0.4.2
[INFO] [stderr]   Downloaded peresil v0.3.0
[INFO] [stderr]   Downloaded sxd-document v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9705303bba3d8b697ae6408e5fb27cd4f30eeceeeb50d9532d5fbc472b988210
[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" "9705303bba3d8b697ae6408e5fb27cd4f30eeceeeb50d9532d5fbc472b988210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9705303bba3d8b697ae6408e5fb27cd4f30eeceeeb50d9532d5fbc472b988210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9705303bba3d8b697ae6408e5fb27cd4f30eeceeeb50d9532d5fbc472b988210", kill_on_drop: false }`
[INFO] [stdout] 9705303bba3d8b697ae6408e5fb27cd4f30eeceeeb50d9532d5fbc472b988210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6313dccfd3192c75e6917a643394f2507451606aadd0d0191be17265694da6dd
[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" "6313dccfd3192c75e6917a643394f2507451606aadd0d0191be17265694da6dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling peresil v0.3.0
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling sxd-document v0.3.2
[INFO] [stderr]    Compiling sxd-xpath v0.4.2
[INFO] [stderr]    Compiling xpath_reader v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Internal(Box<InternalError>),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn InternalError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Error(Box<error::Error + Send + Sync>),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |     ErrorWithMessage(Box<error::Error + Send + Sync>, String),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "6313dccfd3192c75e6917a643394f2507451606aadd0d0191be17265694da6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6313dccfd3192c75e6917a643394f2507451606aadd0d0191be17265694da6dd", kill_on_drop: false }`
[INFO] [stdout] 6313dccfd3192c75e6917a643394f2507451606aadd0d0191be17265694da6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d62c8f619628b7835c92050519c434e2ef752abcf04670f9b7903b4c12dc992
[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" "0d62c8f619628b7835c92050519c434e2ef752abcf04670f9b7903b4c12dc992", kill_on_drop: false }`
[INFO] [stderr]    Compiling xpath_reader v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Internal(Box<InternalError>),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn InternalError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Error(Box<error::Error + Send + Sync>),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |     ErrorWithMessage(Box<error::Error + Send + Sync>, String),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Internal(Box<InternalError>),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn InternalError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Error(Box<error::Error + Send + Sync>),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |     ErrorWithMessage(Box<error::Error + Send + Sync>, String),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "0d62c8f619628b7835c92050519c434e2ef752abcf04670f9b7903b4c12dc992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d62c8f619628b7835c92050519c434e2ef752abcf04670f9b7903b4c12dc992", kill_on_drop: false }`
[INFO] [stdout] 0d62c8f619628b7835c92050519c434e2ef752abcf04670f9b7903b4c12dc992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9861e25d913878d9ceafef165c086e7265d19fe29369dbec1e3c31333f4d04ed
[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" "9861e25d913878d9ceafef165c086e7265d19fe29369dbec1e3c31333f4d04ed", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Internal(Box<InternalError>),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn InternalError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Error(Box<error::Error + Send + Sync>),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |     ErrorWithMessage(Box<error::Error + Send + Sync>, String),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Internal(Box<InternalError>),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn InternalError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Error(Box<error::Error + Send + Sync>),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |     ErrorWithMessage(Box<error::Error + Send + Sync>, String),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xpath_reader-0d0408c0501a7bb4
[INFO] [stdout] running 7 tests
[INFO] [stdout] test reader::tests::num_from_xml ... ok
[INFO] [stdout] test reader::tests::string_from_xml ... ok
[INFO] [stdout] test reader::tests::vec_existent ... ok
[INFO] [stdout] test reader::tests::vec_non_existent ... ok
[INFO] [stdout] test reader::tests::xpath_str_reader ... ok
[INFO] [stderr]    Doc-tests xpath_reader
[INFO] [stdout] test reader::tests::num_absent ... ok
[INFO] [stdout] test reader::tests::bool_from_xml ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 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 src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9861e25d913878d9ceafef165c086e7265d19fe29369dbec1e3c31333f4d04ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9861e25d913878d9ceafef165c086e7265d19fe29369dbec1e3c31333f4d04ed", kill_on_drop: false }`
[INFO] [stdout] 9861e25d913878d9ceafef165c086e7265d19fe29369dbec1e3c31333f4d04ed