[INFO] updating cached repository https://github.com/suzumi/cat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a91daf7fde127dfc8d13dc5f4b3843614042fa2
[INFO] testing suzumi/cat against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuzumi%2Fcat" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suzumi/cat on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/suzumi/cat
[INFO] finished tweaking git repo https://github.com/suzumi/cat
[INFO] tweaked toml for git repo https://github.com/suzumi/cat written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/suzumi/cat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 2c2c31f7249c6e7db7a8f7e5412b4aa10921cf6c004f2dd2d28e1a2d1002e965
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2c2c31f7249c6e7db7a8f7e5412b4aa10921cf6c004f2dd2d28e1a2d1002e965"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let mut file = try!(File::open(filename));
[INFO] [stderr]   |                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   try!(file.read_to_string(&mut content));
[INFO] [stderr]   |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "2c2c31f7249c6e7db7a8f7e5412b4aa10921cf6c004f2dd2d28e1a2d1002e965"`
[INFO] running `"docker" "rm" "-f" "2c2c31f7249c6e7db7a8f7e5412b4aa10921cf6c004f2dd2d28e1a2d1002e965"`
[INFO] [stdout] 2c2c31f7249c6e7db7a8f7e5412b4aa10921cf6c004f2dd2d28e1a2d1002e965
[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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90d5ee40eb283b08c0c3e7a4c00f2f3a2b64e5faed853ba402804493edfbc00c
[INFO] running `"docker" "start" "-a" "90d5ee40eb283b08c0c3e7a4c00f2f3a2b64e5faed853ba402804493edfbc00c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let mut file = try!(File::open(filename));
[INFO] [stderr]   |                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   try!(file.read_to_string(&mut content));
[INFO] [stderr]   |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "90d5ee40eb283b08c0c3e7a4c00f2f3a2b64e5faed853ba402804493edfbc00c"`
[INFO] running `"docker" "rm" "-f" "90d5ee40eb283b08c0c3e7a4c00f2f3a2b64e5faed853ba402804493edfbc00c"`
[INFO] [stdout] 90d5ee40eb283b08c0c3e7a4c00f2f3a2b64e5faed853ba402804493edfbc00c
[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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46c67c5d983debf5bece2356fcb88fdb0e6ca9eab2ae4f3f28d311a83af95edc
[INFO] running `"docker" "start" "-a" "46c67c5d983debf5bece2356fcb88fdb0e6ca9eab2ae4f3f28d311a83af95edc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let mut file = try!(File::open(filename));
[INFO] [stderr]   |                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   try!(file.read_to_string(&mut content));
[INFO] [stderr]   |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cat-f7998838d8e2ffa6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "46c67c5d983debf5bece2356fcb88fdb0e6ca9eab2ae4f3f28d311a83af95edc"`
[INFO] running `"docker" "rm" "-f" "46c67c5d983debf5bece2356fcb88fdb0e6ca9eab2ae4f3f28d311a83af95edc"`
[INFO] [stdout] 46c67c5d983debf5bece2356fcb88fdb0e6ca9eab2ae4f3f28d311a83af95edc