[INFO] crate tc_core 0.3.1 is already in cache
[INFO] checking tc_core-0.3.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate tc_core 0.3.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tc_core 0.3.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tc_core 0.3.1
[INFO] finished tweaking crates.io crate tc_core 0.3.1
[INFO] tweaked toml for crates.io crate tc_core 0.3.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] fb6f53452ce027f0d1ef60f1177645c049f93933f37c3120d335d267cac32d90
[INFO] running `"docker" "start" "-a" "fb6f53452ce027f0d1ef60f1177645c049f93933f37c3120d335d267cac32d90"`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling debug_stub_derive v0.3.0
[INFO] [stderr]     Checking tc_core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/docker.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub stdout: Box<Read>,
[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/docker.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub stderr: Box<Read>,
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/docker.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub stdout: Box<Read>,
[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/docker.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub stderr: Box<Read>,
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `"docker" "inspect" "fb6f53452ce027f0d1ef60f1177645c049f93933f37c3120d335d267cac32d90"`
[INFO] running `"docker" "rm" "-f" "fb6f53452ce027f0d1ef60f1177645c049f93933f37c3120d335d267cac32d90"`
[INFO] [stdout] fb6f53452ce027f0d1ef60f1177645c049f93933f37c3120d335d267cac32d90