[INFO] fetching crate jsonvalid 0.1.1...
[INFO] testing jsonvalid-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jsonvalid 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate jsonvalid 0.1.1 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 jsonvalid 0.1.1
[INFO] finished tweaking crates.io crate jsonvalid 0.1.1
[INFO] tweaked toml for crates.io crate jsonvalid 0.1.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9a2a21faac18a050e5c3f59fa1a9946d4d2c768cf3046db149d06c375a245a6f
[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" "9a2a21faac18a050e5c3f59fa1a9946d4d2c768cf3046db149d06c375a245a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a2a21faac18a050e5c3f59fa1a9946d4d2c768cf3046db149d06c375a245a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a2a21faac18a050e5c3f59fa1a9946d4d2c768cf3046db149d06c375a245a6f", kill_on_drop: false }`
[INFO] [stdout] 9a2a21faac18a050e5c3f59fa1a9946d4d2c768cf3046db149d06c375a245a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 80e06ffabb1022d5cab3ba1d0f0359c008f7f2dd6338a1d2baf751a34954ac6c
[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" "80e06ffabb1022d5cab3ba1d0f0359c008f7f2dd6338a1d2baf751a34954ac6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jsonvalid v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "80e06ffabb1022d5cab3ba1d0f0359c008f7f2dd6338a1d2baf751a34954ac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e06ffabb1022d5cab3ba1d0f0359c008f7f2dd6338a1d2baf751a34954ac6c", kill_on_drop: false }`
[INFO] [stdout] 80e06ffabb1022d5cab3ba1d0f0359c008f7f2dd6338a1d2baf751a34954ac6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b3b7de9f0a90fa548017e81359c4d0bdd4cbee1b683b97b8fc07b0c9104f2cbd
[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" "b3b7de9f0a90fa548017e81359c4d0bdd4cbee1b683b97b8fc07b0c9104f2cbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling environment v0.1.1
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cargo_metadata v0.10.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling skeptic v0.13.5
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stderr]    Compiling jsonvalid v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.29s
[INFO] running `Command { std: "docker" "inspect" "b3b7de9f0a90fa548017e81359c4d0bdd4cbee1b683b97b8fc07b0c9104f2cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b7de9f0a90fa548017e81359c4d0bdd4cbee1b683b97b8fc07b0c9104f2cbd", kill_on_drop: false }`
[INFO] [stdout] b3b7de9f0a90fa548017e81359c4d0bdd4cbee1b683b97b8fc07b0c9104f2cbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2825f31b49824e0afbc3c8c6a042d884181ceccd05df6eb1c2636b19c1ee15cc
[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" "2825f31b49824e0afbc3c8c6a042d884181ceccd05df6eb1c2636b19c1ee15cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:61:36
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stdout] 
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsonvalid-0c57b2c24699ad8b
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-876f9ce72ef74528
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_stdin_valid_json ... ok
[INFO] [stdout] test test_files_single_valid ... ok
[INFO] [stdout] test test_files_single_invalid ... ok
[INFO] [stdout] test test_files_single_valid_with_unicode_bom ... ok
[INFO] [stdout] test test_files_multiple_valid ... ok
[INFO] [stdout] test test_stdin_valid_with_unicode_bom ... ok
[INFO] [stdout] test test_stdin_invalid_json ... ok
[INFO] [stdout] test test_files_multiple_mixed ... ok
[INFO] [stdout] test test_files_multiple_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2825f31b49824e0afbc3c8c6a042d884181ceccd05df6eb1c2636b19c1ee15cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2825f31b49824e0afbc3c8c6a042d884181ceccd05df6eb1c2636b19c1ee15cc", kill_on_drop: false }`
[INFO] [stdout] 2825f31b49824e0afbc3c8c6a042d884181ceccd05df6eb1c2636b19c1ee15cc