[INFO] crate zopen 0.3.2 is already in cache
[INFO] checking zopen-0.3.2 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate zopen 0.3.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate zopen 0.3.2 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zopen 0.3.2
[INFO] finished tweaking crates.io crate zopen 0.3.2
[INFO] tweaked toml for crates.io crate zopen 0.3.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] a97b2c9015a5c8df71fb137726cf20638ef69d24c8dfa217ca6fb53da9b00b71
[INFO] running `"docker" "start" "-a" "a97b2c9015a5c8df71fb137726cf20638ef69d24c8dfa217ca6fb53da9b00b71"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking zopen v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:180:52
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub fn read(filename: &str) -> std::io::Result<Box<std::io::Read>> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::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:202:53
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub fn write(filename: &str) -> std::io::Result<Box<std::io::Write>> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tool.rs:145:43
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn test_tool_read() -> Result<(), Box<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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tool.rs:156:53
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn test_tool_read_with_file() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tool.rs:169:44
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn test_tool_write() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tool.rs:184:49
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn test_tool_write_file() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:180:52
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub fn read(filename: &str) -> std::io::Result<Box<std::io::Read>> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:202:53
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub fn write(filename: &str) -> std::io::Result<Box<std::io::Write>> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `"docker" "inspect" "a97b2c9015a5c8df71fb137726cf20638ef69d24c8dfa217ca6fb53da9b00b71"`
[INFO] running `"docker" "rm" "-f" "a97b2c9015a5c8df71fb137726cf20638ef69d24c8dfa217ca6fb53da9b00b71"`
[INFO] [stdout] a97b2c9015a5c8df71fb137726cf20638ef69d24c8dfa217ca6fb53da9b00b71