[INFO] cloning repository https://github.com/eviefp/hcs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eviefp/hcs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feviefp%2Fhcs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feviefp%2Fhcs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57d083252f983ebc74b163d94999c0ce1a9afb44
[INFO] checking eviefp/hcs 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%2Feviefp%2Fhcs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eviefp/hcs
[INFO] finished tweaking git repo https://github.com/eviefp/hcs
[INFO] tweaked toml for git repo https://github.com/eviefp/hcs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eviefp/hcs 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/eviefp/hcs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 47b4f03a2d9cb319a4f3e5cff26650f71dfd4a174438d93d73568bb4e5c6a3f4
[INFO] running `Command { std: "docker" "start" "-a" "47b4f03a2d9cb319a4f3e5cff26650f71dfd4a174438d93d73568bb4e5c6a3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47b4f03a2d9cb319a4f3e5cff26650f71dfd4a174438d93d73568bb4e5c6a3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b4f03a2d9cb319a4f3e5cff26650f71dfd4a174438d93d73568bb4e5c6a3f4", kill_on_drop: false }`
[INFO] [stdout] 47b4f03a2d9cb319a4f3e5cff26650f71dfd4a174438d93d73568bb4e5c6a3f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6e09e56f598a34a34e4b477a05896c6f3503904412c4622e11ebf6f67ea046f8
[INFO] running `Command { std: "docker" "start" "-a" "6e09e56f598a34a34e4b477a05896c6f3503904412c4622e11ebf6f67ea046f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking pure-rust-locales v0.5.6
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.1.1
[INFO] [stderr]    Compiling chrono-tz v0.4.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]    Compiling graphql-parser v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking ical v0.7.0
[INFO] [stderr]     Checking clap v3.0.14
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking iso8061-timestamp v0.1.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling graphql-introspection-query v0.2.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]    Compiling graphql_client_codegen v0.10.0
[INFO] [stderr]    Compiling graphql_query_derive v0.10.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking graphql_client v0.10.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking hcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Import { target: String },
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Import { target: String },
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hcs` (bin "hcs") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hcs` (bin "hcs" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6e09e56f598a34a34e4b477a05896c6f3503904412c4622e11ebf6f67ea046f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e09e56f598a34a34e4b477a05896c6f3503904412c4622e11ebf6f67ea046f8", kill_on_drop: false }`
[INFO] [stdout] 6e09e56f598a34a34e4b477a05896c6f3503904412c4622e11ebf6f67ea046f8