[INFO] fetching crate jed 0.1.2...
[INFO] testing jed-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jed 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jed 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 jed 0.1.2
[INFO] finished tweaking crates.io crate jed 0.1.2
[INFO] tweaked toml for crates.io crate jed 0.1.2 written to /workspace/builds/worker-4/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-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" "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] [stdout] 928b6f0d4c783f7ba22ee39a996023ae3965fe09200f041d4948f1ffcbf77804
[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" "928b6f0d4c783f7ba22ee39a996023ae3965fe09200f041d4948f1ffcbf77804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "928b6f0d4c783f7ba22ee39a996023ae3965fe09200f041d4948f1ffcbf77804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928b6f0d4c783f7ba22ee39a996023ae3965fe09200f041d4948f1ffcbf77804", kill_on_drop: false }`
[INFO] [stdout] 928b6f0d4c783f7ba22ee39a996023ae3965fe09200f041d4948f1ffcbf77804
[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=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] [stdout] 1d095e2fbeea36f8dfd1c81727c6a270ad633327abaaf6215184edfd72937ed5
[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" "1d095e2fbeea36f8dfd1c81727c6a270ad633327abaaf6215184edfd72937ed5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling jed v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:128:30
[INFO] [stdout]     |
[INFO] [stdout] 128 |   fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |       CharsError::Other(ref e) => Error::description(e),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |       CharsError::Other(ref e) => e.cause(),
[INFO] [stdout]     |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "1d095e2fbeea36f8dfd1c81727c6a270ad633327abaaf6215184edfd72937ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d095e2fbeea36f8dfd1c81727c6a270ad633327abaaf6215184edfd72937ed5", kill_on_drop: false }`
[INFO] [stdout] 1d095e2fbeea36f8dfd1c81727c6a270ad633327abaaf6215184edfd72937ed5
[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=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] bc53f2a18498950b2eeb7cdf95fe094dda940017368639e875bd09e375fd995b
[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" "bc53f2a18498950b2eeb7cdf95fe094dda940017368639e875bd09e375fd995b", kill_on_drop: false }`
[INFO] [stderr]    Compiling jed v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:128:30
[INFO] [stdout]     |
[INFO] [stdout] 128 |   fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |       CharsError::Other(ref e) => Error::description(e),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |       CharsError::Other(ref e) => e.cause(),
[INFO] [stdout]     |                                     ^^^^^
[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/lib.rs:128:30
[INFO] [stdout]     |
[INFO] [stdout] 128 |   fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |       CharsError::Other(ref e) => Error::description(e),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |       CharsError::Other(ref e) => e.cause(),
[INFO] [stdout]     |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "bc53f2a18498950b2eeb7cdf95fe094dda940017368639e875bd09e375fd995b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc53f2a18498950b2eeb7cdf95fe094dda940017368639e875bd09e375fd995b", kill_on_drop: false }`
[INFO] [stdout] bc53f2a18498950b2eeb7cdf95fe094dda940017368639e875bd09e375fd995b
[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=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] f62ab6640b59c4ad4059f9695b42045c9b53e1a3a978fa7bf459fe854757dfdc
[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" "f62ab6640b59c4ad4059f9695b42045c9b53e1a3a978fa7bf459fe854757dfdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:128:30
[INFO] [stderr]     |
[INFO] [stderr] 128 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |       CharsError::Other(ref e) => Error::description(e),
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:131:37
[INFO] [stderr]     |
[INFO] [stderr] 131 |       CharsError::Other(ref e) => e.cause(),
[INFO] [stderr]     |                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:128:30
[INFO] [stderr]     |
[INFO] [stderr] 128 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |       CharsError::Other(ref e) => Error::description(e),
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:131:37
[INFO] [stderr]     |
[INFO] [stderr] 131 |       CharsError::Other(ref e) => e.cause(),
[INFO] [stderr]     |                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jed-16aa2e45f3e7f5ff
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests jed
[INFO] [stdout] test tests::test_empty_iter ... ok
[INFO] [stdout] test tests::test_not_json_iter ... ok
[INFO] [stdout] test tests::test_ary_iter ... ok
[INFO] [stdout] test tests::test_obj_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f62ab6640b59c4ad4059f9695b42045c9b53e1a3a978fa7bf459fe854757dfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62ab6640b59c4ad4059f9695b42045c9b53e1a3a978fa7bf459fe854757dfdc", kill_on_drop: false }`
[INFO] [stdout] f62ab6640b59c4ad4059f9695b42045c9b53e1a3a978fa7bf459fe854757dfdc