[INFO] fetching crate tomson 0.1.1...
[INFO] checking tomson-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate tomson 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tomson 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f245c2a1dbd3a0969dc4e2e62306229251e6b7dcc66c6a1e373f5f2dbb6a70bd
[INFO] running `"docker" "start" "-a" "f245c2a1dbd3a0969dc4e2e62306229251e6b7dcc66c6a1e373f5f2dbb6a70bd"`
[INFO] [stderr]     Checking tomson v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 | to_json_src_impl_read! { Read, Stdin }
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[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/lib.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 | to_json_src_impl_json! { json::ToJson, json::Json }
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn json::ToJson`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:132:26
[INFO] [stderr]     |
[INFO] [stderr] 132 | to_toml_src_impl_read! { Read, Stdin }
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:147:28
[INFO] [stderr]     |
[INFO] [stderr] 147 |   pub fn as_json(src: &mut TomlSrc) -> Result<json::Json, Vec<toml::ParserError>> {
[INFO] [stderr]     |                            ^^^^^^^ help: use `dyn`: `dyn TomlSrc`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 | to_json_src_impl_read! { Read, Stdin }
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[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/lib.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 | to_json_src_impl_json! { json::ToJson, json::Json }
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn json::ToJson`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:132:26
[INFO] [stderr]     |
[INFO] [stderr] 132 | to_toml_src_impl_read! { Read, Stdin }
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:147:28
[INFO] [stderr]     |
[INFO] [stderr] 147 |   pub fn as_json(src: &mut TomlSrc) -> Result<json::Json, Vec<toml::ParserError>> {
[INFO] [stderr]     |                            ^^^^^^^ help: use `dyn`: `dyn TomlSrc`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "f245c2a1dbd3a0969dc4e2e62306229251e6b7dcc66c6a1e373f5f2dbb6a70bd"`
[INFO] running `"docker" "rm" "-f" "f245c2a1dbd3a0969dc4e2e62306229251e6b7dcc66c6a1e373f5f2dbb6a70bd"`
[INFO] [stdout] f245c2a1dbd3a0969dc4e2e62306229251e6b7dcc66c6a1e373f5f2dbb6a70bd