[INFO] fetching crate stegbrute 0.1.1...
[INFO] testing stegbrute-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stegbrute 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate stegbrute 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stegbrute 0.1.1
[INFO] finished tweaking crates.io crate stegbrute 0.1.1
[INFO] tweaked toml for crates.io crate stegbrute 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate stegbrute 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ee24cc90f08cda4205b926e8456bdf53efc9312d3dfc06dacbc3a3531e0da2f
[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" "1ee24cc90f08cda4205b926e8456bdf53efc9312d3dfc06dacbc3a3531e0da2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee24cc90f08cda4205b926e8456bdf53efc9312d3dfc06dacbc3a3531e0da2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee24cc90f08cda4205b926e8456bdf53efc9312d3dfc06dacbc3a3531e0da2f", kill_on_drop: false }`
[INFO] [stdout] 1ee24cc90f08cda4205b926e8456bdf53efc9312d3dfc06dacbc3a3531e0da2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48901fe1ed44bf84a713ebbeff9e011410fabd45cd12b12f6330c5bfb4a70d39
[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" "48901fe1ed44bf84a713ebbeff9e011410fabd45cd12b12f6330c5bfb4a70d39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling paw-raw v1.0.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling paw v1.0.0
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling stegbrute v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable if-let pattern
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 | /             if let not_found = e.kind() {
[INFO] [stdout] 41 | |                 println!("\x1b[0;10;41mError:\x1b[0;0;37m `steghide` is not installed!")
[INFO] [stdout] 42 | |             } else {
[INFO] [stdout] 43 | |                 println!("\x1b[0;10;41mError:\x1b[0;0;37m `steghide` is not installed!");
[INFO] [stdout] 44 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `can_run` is never read
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut can_run: bool = false;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `can_run` is never read
[INFO] [stdout]   --> src/main.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Ok(_) => {can_run = true;println!("exist");},
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `not_found`
[INFO] [stdout]   --> src/main.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |             if let not_found = e.kind() {
[INFO] [stdout]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_not_found`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `can_run` is never read
[INFO] [stdout]   --> src/main.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     }else{can_run = true}
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 bruteforce(&opt.wordlist,i); 
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "48901fe1ed44bf84a713ebbeff9e011410fabd45cd12b12f6330c5bfb4a70d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48901fe1ed44bf84a713ebbeff9e011410fabd45cd12b12f6330c5bfb4a70d39", kill_on_drop: false }`
[INFO] [stdout] 48901fe1ed44bf84a713ebbeff9e011410fabd45cd12b12f6330c5bfb4a70d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 02685833bed2af3b690e7b0e18b94277a4d3b824d14fe2d329dc81474ba99d11
[INFO] running `Command { std: "docker" "start" "-a" "02685833bed2af3b690e7b0e18b94277a4d3b824d14fe2d329dc81474ba99d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling stegbrute v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable if-let pattern
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 | /             if let not_found = e.kind() {
[INFO] [stdout] 41 | |                 println!("\x1b[0;10;41mError:\x1b[0;0;37m `steghide` is not installed!")
[INFO] [stdout] 42 | |             } else {
[INFO] [stdout] 43 | |                 println!("\x1b[0;10;41mError:\x1b[0;0;37m `steghide` is not installed!");
[INFO] [stdout] 44 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `can_run` is never read
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut can_run: bool = false;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `can_run` is never read
[INFO] [stdout]   --> src/main.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Ok(_) => {can_run = true;println!("exist");},
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `not_found`
[INFO] [stdout]   --> src/main.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |             if let not_found = e.kind() {
[INFO] [stdout]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_not_found`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `can_run` is never read
[INFO] [stdout]   --> src/main.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     }else{can_run = true}
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 bruteforce(&opt.wordlist,i); 
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "02685833bed2af3b690e7b0e18b94277a4d3b824d14fe2d329dc81474ba99d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02685833bed2af3b690e7b0e18b94277a4d3b824d14fe2d329dc81474ba99d11", kill_on_drop: false }`
[INFO] [stdout] 02685833bed2af3b690e7b0e18b94277a4d3b824d14fe2d329dc81474ba99d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 437f779ca242dab918bd55d3097061ba937af5a020cbc5e92fbc74b25dd30fc5
[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" "437f779ca242dab918bd55d3097061ba937af5a020cbc5e92fbc74b25dd30fc5", kill_on_drop: false }`
[INFO] [stderr] warning: irrefutable if-let pattern
[INFO] [stderr]   --> src/main.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 | /             if let not_found = e.kind() {
[INFO] [stderr] 41 | |                 println!("\x1b[0;10;41mError:\x1b[0;0;37m `steghide` is not installed!")
[INFO] [stderr] 42 | |             } else {
[INFO] [stderr] 43 | |                 println!("\x1b[0;10;41mError:\x1b[0;0;37m `steghide` is not installed!");
[INFO] [stderr] 44 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `can_run` is never read
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut can_run: bool = false;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `can_run` is never read
[INFO] [stderr]   --> src/main.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Ok(_) => {can_run = true;println!("exist");},
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `not_found`
[INFO] [stderr]   --> src/main.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |             if let not_found = e.kind() {
[INFO] [stderr]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_not_found`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `can_run` is never read
[INFO] [stderr]   --> src/main.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |     }else{can_run = true}
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 bruteforce(&opt.wordlist,i); 
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stegbrute-2954587bc52de5dc
[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" "437f779ca242dab918bd55d3097061ba937af5a020cbc5e92fbc74b25dd30fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437f779ca242dab918bd55d3097061ba937af5a020cbc5e92fbc74b25dd30fc5", kill_on_drop: false }`
[INFO] [stdout] 437f779ca242dab918bd55d3097061ba937af5a020cbc5e92fbc74b25dd30fc5