[INFO] fetching crate hex2ascii 1.0.2...
[INFO] testing hex2ascii-1.0.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate hex2ascii 1.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hex2ascii 1.0.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hex2ascii 1.0.2
[INFO] finished tweaking crates.io crate hex2ascii 1.0.2
[INFO] tweaked toml for crates.io crate hex2ascii 1.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad852c12eaa1b479e44662568267f5590fcb146d8d13f0159a42312c83d82415
[INFO] running `"docker" "start" "-a" "ad852c12eaa1b479e44662568267f5590fcb146d8d13f0159a42312c83d82415"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hex2ascii v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn from_hex(s : String) -> Result<Vec<u8>, 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/main.rs:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn to_hex(s : String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "ad852c12eaa1b479e44662568267f5590fcb146d8d13f0159a42312c83d82415"`
[INFO] running `"docker" "rm" "-f" "ad852c12eaa1b479e44662568267f5590fcb146d8d13f0159a42312c83d82415"`
[INFO] [stdout] ad852c12eaa1b479e44662568267f5590fcb146d8d13f0159a42312c83d82415
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] 1aba543291f3ce8dec251e5df6d7e0dde306d2079a95e9b6792b83425b73d6dc
[INFO] running `"docker" "start" "-a" "1aba543291f3ce8dec251e5df6d7e0dde306d2079a95e9b6792b83425b73d6dc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hex2ascii v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn from_hex(s : String) -> Result<Vec<u8>, 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/main.rs:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn to_hex(s : String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "1aba543291f3ce8dec251e5df6d7e0dde306d2079a95e9b6792b83425b73d6dc"`
[INFO] running `"docker" "rm" "-f" "1aba543291f3ce8dec251e5df6d7e0dde306d2079a95e9b6792b83425b73d6dc"`
[INFO] [stdout] 1aba543291f3ce8dec251e5df6d7e0dde306d2079a95e9b6792b83425b73d6dc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] 1faa26520156bd5118f0f685767fe8e67270b88a55a21c1a22b5f8b729c34222
[INFO] running `"docker" "start" "-a" "1faa26520156bd5118f0f685767fe8e67270b88a55a21c1a22b5f8b729c34222"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn from_hex(s : String) -> Result<Vec<u8>, 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/main.rs:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn to_hex(s : String) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[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/hex2ascii-41cac0a2cc1cf667
[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" "1faa26520156bd5118f0f685767fe8e67270b88a55a21c1a22b5f8b729c34222"`
[INFO] running `"docker" "rm" "-f" "1faa26520156bd5118f0f685767fe8e67270b88a55a21c1a22b5f8b729c34222"`
[INFO] [stdout] 1faa26520156bd5118f0f685767fe8e67270b88a55a21c1a22b5f8b729c34222