[INFO] cloning repository https://github.com/nharring/rksuid-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nharring/rksuid-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnharring%2Frksuid-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnharring%2Frksuid-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd8b8adfb54af3e48b06fe3b9e2ba53765805370
[INFO] checking nharring/rksuid-cli against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnharring%2Frksuid-cli" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nharring/rksuid-cli
[INFO] finished tweaking git repo https://github.com/nharring/rksuid-cli
[INFO] tweaked toml for git repo https://github.com/nharring/rksuid-cli written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nharring/rksuid-cli on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nharring/rksuid-cli 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v1.1.4
[INFO] [stderr]       Adding assert_cmd v0.10.2 (available: v2.1.1)
[INFO] [stderr]       Adding difference v2.0.0
[INFO] [stderr]       Adding escargot v0.3.1
[INFO] [stderr]       Adding float-cmp v0.8.0
[INFO] [stderr]       Adding itoa v1.0.15
[INFO] [stderr]       Adding memchr v2.7.6
[INFO] [stderr]       Adding normalize-line-endings v0.3.0
[INFO] [stderr]       Adding predicates v1.0.8 (available: v3.1.3)
[INFO] [stderr]       Adding predicates-core v1.0.9
[INFO] [stderr]       Adding predicates-tree v1.0.12
[INFO] [stderr]       Adding proc-macro2 v1.0.103
[INFO] [stderr]       Adding quote v1.0.42
[INFO] [stderr]       Adding regex v1.12.2
[INFO] [stderr]       Adding regex-automata v0.4.13
[INFO] [stderr]       Adding regex-syntax v0.8.8
[INFO] [stderr]       Adding rksuid v0.2.1 (available: v0.4.0)
[INFO] [stderr]       Adding ryu v1.0.20
[INFO] [stderr]       Adding serde v1.0.228
[INFO] [stderr]       Adding serde_core v1.0.228
[INFO] [stderr]       Adding serde_derive v1.0.228
[INFO] [stderr]       Adding serde_json v1.0.145
[INFO] [stderr]       Adding syn v2.0.110
[INFO] [stderr]       Adding termtree v0.5.1
[INFO] [stderr]       Adding unicode-ident v1.0.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e24f4778b6ad233dcc1fab8c1340a425ffaa76b2dc1f6f903bf20d64e05ae0a4
[INFO] running `Command { std: "docker" "start" "-a" "e24f4778b6ad233dcc1fab8c1340a425ffaa76b2dc1f6f903bf20d64e05ae0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e24f4778b6ad233dcc1fab8c1340a425ffaa76b2dc1f6f903bf20d64e05ae0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24f4778b6ad233dcc1fab8c1340a425ffaa76b2dc1f6f903bf20d64e05ae0a4", kill_on_drop: false }`
[INFO] [stdout] e24f4778b6ad233dcc1fab8c1340a425ffaa76b2dc1f6f903bf20d64e05ae0a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7886a5d3a1a7f7c763cd51bd96027ab164b74f900caa319cc623089b28d6d3b8
[INFO] running `Command { std: "docker" "start" "-a" "7886a5d3a1a7f7c763cd51bd96027ab164b74f900caa319cc623089b28d6d3b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking base-encode v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking rksuid v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking rksuid-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, StructOpt)]
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rksuid-cli` (bin "rksuid-cli") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7886a5d3a1a7f7c763cd51bd96027ab164b74f900caa319cc623089b28d6d3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7886a5d3a1a7f7c763cd51bd96027ab164b74f900caa319cc623089b28d6d3b8", kill_on_drop: false }`
[INFO] [stdout] 7886a5d3a1a7f7c763cd51bd96027ab164b74f900caa319cc623089b28d6d3b8
