[INFO] cloning repository https://github.com/swilcox/rpwdgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swilcox/rpwdgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilcox%2Frpwdgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilcox%2Frpwdgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 529f0706b23707f2a30008804f3e2f562fea337d
[INFO] checking swilcox/rpwdgen against master#a77659a1e1807ba567f513afe59115af2604dc30 for pr-103029-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilcox%2Frpwdgen" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swilcox/rpwdgen on toolchain a77659a1e1807ba567f513afe59115af2604dc30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swilcox/rpwdgen
[INFO] finished tweaking git repo https://github.com/swilcox/rpwdgen
[INFO] tweaked toml for git repo https://github.com/swilcox/rpwdgen written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/swilcox/rpwdgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61fa494ba076b3e5221dec73a4b1a680147c31f92f28c935d22c8f8d6ad3c3b5
[INFO] running `Command { std: "docker" "start" "-a" "61fa494ba076b3e5221dec73a4b1a680147c31f92f28c935d22c8f8d6ad3c3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fa494ba076b3e5221dec73a4b1a680147c31f92f28c935d22c8f8d6ad3c3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fa494ba076b3e5221dec73a4b1a680147c31f92f28c935d22c8f8d6ad3c3b5", kill_on_drop: false }`
[INFO] [stdout] 61fa494ba076b3e5221dec73a4b1a680147c31f92f28c935d22c8f8d6ad3c3b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd1ca2e5fb94102a8ae53274ce17fdb0d1e74d0030e18da5fac2c6a555adc48e
[INFO] running `Command { std: "docker" "start" "-a" "fd1ca2e5fb94102a8ae53274ce17fdb0d1e74d0030e18da5fac2c6a555adc48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rpwdgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "fd1ca2e5fb94102a8ae53274ce17fdb0d1e74d0030e18da5fac2c6a555adc48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1ca2e5fb94102a8ae53274ce17fdb0d1e74d0030e18da5fac2c6a555adc48e", kill_on_drop: false }`
[INFO] [stdout] fd1ca2e5fb94102a8ae53274ce17fdb0d1e74d0030e18da5fac2c6a555adc48e