[INFO] fetching crate tomson 0.1.1...
[INFO] checking tomson-0.1.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate tomson 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tomson 0.1.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tomson 0.1.1
[INFO] finished tweaking crates.io crate tomson 0.1.1
[INFO] tweaked toml for crates.io crate tomson 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d9b6489c72a56c6181bb894a6c1f32ecf047b062fd8ebaec6f6847a29484f75
[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" "9d9b6489c72a56c6181bb894a6c1f32ecf047b062fd8ebaec6f6847a29484f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d9b6489c72a56c6181bb894a6c1f32ecf047b062fd8ebaec6f6847a29484f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d9b6489c72a56c6181bb894a6c1f32ecf047b062fd8ebaec6f6847a29484f75", kill_on_drop: false }`
[INFO] [stdout] 9d9b6489c72a56c6181bb894a6c1f32ecf047b062fd8ebaec6f6847a29484f75
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c309aa2158d73600ccfe01770eef8930a74a33c5018043305aa4551e87622d
[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" "95c309aa2158d73600ccfe01770eef8930a74a33c5018043305aa4551e87622d", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking tomson v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 | to_json_src_impl_read! { Read, Stdin }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 68 | to_json_src_impl_json! { json::ToJson, json::Json }
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn json::ToJson`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 | to_toml_src_impl_read! { Read, Stdin }
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 |   pub fn as_json(src: &mut TomlSrc) -> Result<json::Json, Vec<toml::ParserError>> {
[INFO] [stdout]     |                            ^^^^^^^ help: use `dyn`: `dyn TomlSrc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 | to_json_src_impl_read! { Read, Stdin }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 68 | to_json_src_impl_json! { json::ToJson, json::Json }
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn json::ToJson`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 | to_toml_src_impl_read! { Read, Stdin }
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 |   pub fn as_json(src: &mut TomlSrc) -> Result<json::Json, Vec<toml::ParserError>> {
[INFO] [stdout]     |                            ^^^^^^^ help: use `dyn`: `dyn TomlSrc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "95c309aa2158d73600ccfe01770eef8930a74a33c5018043305aa4551e87622d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c309aa2158d73600ccfe01770eef8930a74a33c5018043305aa4551e87622d", kill_on_drop: false }`
[INFO] [stdout] 95c309aa2158d73600ccfe01770eef8930a74a33c5018043305aa4551e87622d