[INFO] cloning repository https://github.com/Lignum/steg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lignum/steg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLignum%2Fsteg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLignum%2Fsteg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80596ff4bb6d28607a7548ab2d03f2f3c677e325
[INFO] testing Lignum/steg against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLignum%2Fsteg" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lignum/steg on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lignum/steg
[INFO] finished tweaking git repo https://github.com/Lignum/steg
[INFO] tweaked toml for git repo https://github.com/Lignum/steg written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Lignum/steg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04559e4a55ff0c93d980e3feefece87f4b3f178e65e711cb049e22087d81b902
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04559e4a55ff0c93d980e3feefece87f4b3f178e65e711cb049e22087d81b902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04559e4a55ff0c93d980e3feefece87f4b3f178e65e711cb049e22087d81b902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04559e4a55ff0c93d980e3feefece87f4b3f178e65e711cb049e22087d81b902", kill_on_drop: false }`
[INFO] [stdout] 04559e4a55ff0c93d980e3feefece87f4b3f178e65e711cb049e22087d81b902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abdafe0d101b3f7b1a3844751e4c1a7ff9c4d5bd06e6841ad07d896cb530b766
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abdafe0d101b3f7b1a3844751e4c1a7ff9c4d5bd06e6841ad07d896cb530b766", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling either v1.2.0
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling raster v0.2.0
[INFO] [stderr]    Compiling steg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:87:73
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 Err(err) => eprintln!("Failed to extract data: {}", err.description())
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:102:70
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 Err(err) => eprintln!("Failed to hide data: {}", err.description())
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.53s
[INFO] running `Command { std: "docker" "inspect" "abdafe0d101b3f7b1a3844751e4c1a7ff9c4d5bd06e6841ad07d896cb530b766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abdafe0d101b3f7b1a3844751e4c1a7ff9c4d5bd06e6841ad07d896cb530b766", kill_on_drop: false }`
[INFO] [stdout] abdafe0d101b3f7b1a3844751e4c1a7ff9c4d5bd06e6841ad07d896cb530b766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d54854e3f82c73a54cac51acd301eb34de77f71d997bed944ad67206d719266
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4d54854e3f82c73a54cac51acd301eb34de77f71d997bed944ad67206d719266", kill_on_drop: false }`
[INFO] [stderr]    Compiling steg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:87:73
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 Err(err) => eprintln!("Failed to extract data: {}", err.description())
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:102:70
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 Err(err) => eprintln!("Failed to hide data: {}", err.description())
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "4d54854e3f82c73a54cac51acd301eb34de77f71d997bed944ad67206d719266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d54854e3f82c73a54cac51acd301eb34de77f71d997bed944ad67206d719266", kill_on_drop: false }`
[INFO] [stdout] 4d54854e3f82c73a54cac51acd301eb34de77f71d997bed944ad67206d719266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ece8e6599d14e27c86ed94b43e5e62dced788532a633fa25214255d81b5c064
[INFO] running `Command { std: "docker" "start" "-a" "0ece8e6599d14e27c86ed94b43e5e62dced788532a633fa25214255d81b5c064", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:87:73
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 Err(err) => eprintln!("Failed to extract data: {}", err.description())
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:102:70
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 Err(err) => eprintln!("Failed to hide data: {}", err.description())
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/steg-3dd1ceeec9c43ef3
[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 `Command { std: "docker" "inspect" "0ece8e6599d14e27c86ed94b43e5e62dced788532a633fa25214255d81b5c064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ece8e6599d14e27c86ed94b43e5e62dced788532a633fa25214255d81b5c064", kill_on_drop: false }`
[INFO] [stdout] 0ece8e6599d14e27c86ed94b43e5e62dced788532a633fa25214255d81b5c064