[INFO] fetching crate simple_encode 0.1.0...
[INFO] testing simple_encode-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate simple_encode 0.1.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate simple_encode 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_encode 0.1.0
[INFO] finished tweaking crates.io crate simple_encode 0.1.0
[INFO] tweaked toml for crates.io crate simple_encode 0.1.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a85648885c55cf7c37eee81385efb6ac9d2059c02155cd17794da41088b6f3ab
[INFO] running `Command { std: "docker" "start" "-a" "a85648885c55cf7c37eee81385efb6ac9d2059c02155cd17794da41088b6f3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a85648885c55cf7c37eee81385efb6ac9d2059c02155cd17794da41088b6f3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85648885c55cf7c37eee81385efb6ac9d2059c02155cd17794da41088b6f3ab", kill_on_drop: false }`
[INFO] [stdout] a85648885c55cf7c37eee81385efb6ac9d2059c02155cd17794da41088b6f3ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a61d860ee703c15efea27015fb2e760dae47cf61e7a4eda76156da34530c12
[INFO] running `Command { std: "docker" "start" "-a" "38a61d860ee703c15efea27015fb2e760dae47cf61e7a4eda76156da34530c12", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_encode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Too large: {}\t- Must be <= 15.")
[INFO] [stdout]    |                                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Too large: {}\t- Must be <= 15.", ...)
[INFO] [stdout]    |                                                      ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("{}", "Too large: {}\t- Must be <= 15.")
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "38a61d860ee703c15efea27015fb2e760dae47cf61e7a4eda76156da34530c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a61d860ee703c15efea27015fb2e760dae47cf61e7a4eda76156da34530c12", kill_on_drop: false }`
[INFO] [stdout] 38a61d860ee703c15efea27015fb2e760dae47cf61e7a4eda76156da34530c12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a645c6dde4e2a33c7c0579050317a4e3c81b5c22ceaf035e3cf655cd2587676f
[INFO] running `Command { std: "docker" "start" "-a" "a645c6dde4e2a33c7c0579050317a4e3c81b5c22ceaf035e3cf655cd2587676f", kill_on_drop: false }`
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Too large: {}\t- Must be <= 15.")
[INFO] [stdout]    |                                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Too large: {}\t- Must be <= 15.", ...)
[INFO] [stdout]    |                                                      ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("{}", "Too large: {}\t- Must be <= 15.")
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple_encode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Too large: {}\t- Must be <= 15.")
[INFO] [stdout]    |                                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Too large: {}\t- Must be <= 15.", ...)
[INFO] [stdout]    |                                                      ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("{}", "Too large: {}\t- Must be <= 15.")
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "a645c6dde4e2a33c7c0579050317a4e3c81b5c22ceaf035e3cf655cd2587676f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a645c6dde4e2a33c7c0579050317a4e3c81b5c22ceaf035e3cf655cd2587676f", kill_on_drop: false }`
[INFO] [stdout] a645c6dde4e2a33c7c0579050317a4e3c81b5c22ceaf035e3cf655cd2587676f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e1a4dc36afb83672755bdd36b31fb74f9eab02cfe8c00c76cf506dd21030196
[INFO] running `Command { std: "docker" "start" "-a" "0e1a4dc36afb83672755bdd36b31fb74f9eab02cfe8c00c76cf506dd21030196", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]   --> src/lib.rs:26:33
[INFO] [stderr]    |
[INFO] [stderr] 26 |         _ => panic!("Too large: {}\t- Must be <= 15.")
[INFO] [stderr]    |                                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]    |
[INFO] [stderr] 26 |         _ => panic!("Too large: {}\t- Must be <= 15.", ...)
[INFO] [stderr]    |                                                      ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 26 |         _ => panic!("{}", "Too large: {}\t- Must be <= 15.")
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_encode` (lib) generated 1 warning
[INFO] [stderr] warning: `simple_encode` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_encode-1236607fd5750ede)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test matasano ... ok
[INFO] [stdout] test test_base64_encode ... ok
[INFO] [stdout] test test_hex_decode ... ok
[INFO] [stdout] test test_base64_decode ... ok
[INFO] [stdout] test test_hex_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_encode
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e1a4dc36afb83672755bdd36b31fb74f9eab02cfe8c00c76cf506dd21030196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1a4dc36afb83672755bdd36b31fb74f9eab02cfe8c00c76cf506dd21030196", kill_on_drop: false }`
[INFO] [stdout] 0e1a4dc36afb83672755bdd36b31fb74f9eab02cfe8c00c76cf506dd21030196