[INFO] fetching crate pretty-bytes 0.2.2...
[INFO] testing pretty-bytes-0.2.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate pretty-bytes 0.2.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pretty-bytes 0.2.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretty-bytes 0.2.2
[INFO] finished tweaking crates.io crate pretty-bytes 0.2.2
[INFO] tweaked toml for crates.io crate pretty-bytes 0.2.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73595c7f3387cea96d5a0c7e5713bfa1db4a49f621a35af5b72110130e5be8d2
[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" "73595c7f3387cea96d5a0c7e5713bfa1db4a49f621a35af5b72110130e5be8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73595c7f3387cea96d5a0c7e5713bfa1db4a49f621a35af5b72110130e5be8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73595c7f3387cea96d5a0c7e5713bfa1db4a49f621a35af5b72110130e5be8d2", kill_on_drop: false }`
[INFO] [stdout] 73595c7f3387cea96d5a0c7e5713bfa1db4a49f621a35af5b72110130e5be8d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--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] fba07c2f1ae54e4f0f5ece45a3ebd7dd108e41db166dfe6509dbf4406481babc
[INFO] running `Command { std: "docker" "start" "-a" "fba07c2f1ae54e4f0f5ece45a3ebd7dd108e41db166dfe6509dbf4406481babc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty-bytes v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[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 2.45s
[INFO] running `Command { std: "docker" "inspect" "fba07c2f1ae54e4f0f5ece45a3ebd7dd108e41db166dfe6509dbf4406481babc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba07c2f1ae54e4f0f5ece45a3ebd7dd108e41db166dfe6509dbf4406481babc", kill_on_drop: false }`
[INFO] [stdout] fba07c2f1ae54e4f0f5ece45a3ebd7dd108e41db166dfe6509dbf4406481babc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5817bbca8a901a8a803f63f49b9c89e0e4a08e5aeb27d7b6f1d0168bbe8c91ce
[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" "5817bbca8a901a8a803f63f49b9c89e0e4a08e5aeb27d7b6f1d0168bbe8c91ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty-bytes v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[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 1.79s
[INFO] running `Command { std: "docker" "inspect" "5817bbca8a901a8a803f63f49b9c89e0e4a08e5aeb27d7b6f1d0168bbe8c91ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5817bbca8a901a8a803f63f49b9c89e0e4a08e5aeb27d7b6f1d0168bbe8c91ce", kill_on_drop: false }`
[INFO] [stdout] 5817bbca8a901a8a803f63f49b9c89e0e4a08e5aeb27d7b6f1d0168bbe8c91ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0bce6ac93248924ca56fefe84c7201418501618a16a67381ebbb2edc43a8e82
[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" "f0bce6ac93248924ca56fefe84c7201418501618a16a67381ebbb2edc43a8e82", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/cli.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/cli.rs:42:32
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/cli.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/cli.rs:42:32
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Err(f) => { panic!(f.to_string()) }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pretty_bytes-9fe62d17641d8be7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pretty_bytes-7a0efed8803e4fd6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/converter.rs (/opt/rustwide/target/debug/deps/converter-668f0f5675866fc5)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_converts_bytes_to_human_readable_strings ... ok
[INFO] [stderr]    Doc-tests pretty-bytes
[INFO] [stdout] test it_supports_negative_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "f0bce6ac93248924ca56fefe84c7201418501618a16a67381ebbb2edc43a8e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bce6ac93248924ca56fefe84c7201418501618a16a67381ebbb2edc43a8e82", kill_on_drop: false }`
[INFO] [stdout] f0bce6ac93248924ca56fefe84c7201418501618a16a67381ebbb2edc43a8e82
