[INFO] cloning repository https://github.com/KernelErr/shallow-container
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KernelErr/shallow-container" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKernelErr%2Fshallow-container", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKernelErr%2Fshallow-container'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4159470f90d5446df9e394b96231c01084954f25
[INFO] checking KernelErr/shallow-container 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%2FKernelErr%2Fshallow-container" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KernelErr/shallow-container
[INFO] finished tweaking git repo https://github.com/KernelErr/shallow-container
[INFO] tweaked toml for git repo https://github.com/KernelErr/shallow-container written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KernelErr/shallow-container 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/KernelErr/shallow-container 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 304cb0ff8f3819b74b9086e39f6f36a6afb932d3f1fc4a94e6fab28d1779755e
[INFO] running `Command { std: "docker" "start" "-a" "304cb0ff8f3819b74b9086e39f6f36a6afb932d3f1fc4a94e6fab28d1779755e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "304cb0ff8f3819b74b9086e39f6f36a6afb932d3f1fc4a94e6fab28d1779755e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304cb0ff8f3819b74b9086e39f6f36a6afb932d3f1fc4a94e6fab28d1779755e", kill_on_drop: false }`
[INFO] [stdout] 304cb0ff8f3819b74b9086e39f6f36a6afb932d3f1fc4a94e6fab28d1779755e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 336c513fc6c27a47b1879b68b8b7f09d2576014a4274ab959e404d069960252f
[INFO] running `Command { std: "docker" "start" "-a" "336c513fc6c27a47b1879b68b8b7f09d2576014a4274ab959e404d069960252f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]     Checking tracing v0.1.27
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling io-uring v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.20
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking const_format v0.2.20
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking nanoid v0.4.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unshare v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling sscanf_macro v0.1.3
[INFO] [stderr]     Checking sscanf v0.1.3
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-uring v0.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking oci-spec v0.5.1
[INFO] [stderr]     Checking moe_logger v0.2.0
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking shallow-container 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/commands/pull.rs:204:68
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut pull_request = match sscanf::scanf!(image, "{}/{}:{}", String, String, 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/commands/pull.rs:204:76
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut pull_request = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]     |                                                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/commands/pull.rs:204:84
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut pull_request = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]     |                                                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/commands/run.rs:14:71
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (scope, image, tag) = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]    |                                                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/commands/run.rs:14:79
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (scope, image, tag) = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]    |                                                                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/commands/run.rs:14:87
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (scope, image, tag) = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]    |                                                                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shallow-container` (bin "shallow-container") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/commands/pull.rs:204:68
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut pull_request = match sscanf::scanf!(image, "{}/{}:{}", String, String, 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/commands/pull.rs:204:76
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut pull_request = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]     |                                                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/commands/pull.rs:204:84
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut pull_request = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]     |                                                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/commands/run.rs:14:71
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (scope, image, tag) = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]    |                                                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/commands/run.rs:14:79
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (scope, image, tag) = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]    |                                                                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/commands/run.rs:14:87
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (scope, image, tag) = match sscanf::scanf!(image, "{}/{}:{}", String, String, String) {
[INFO] [stdout]    |                                                                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shallow-container` (bin "shallow-container" test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "336c513fc6c27a47b1879b68b8b7f09d2576014a4274ab959e404d069960252f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336c513fc6c27a47b1879b68b8b7f09d2576014a4274ab959e404d069960252f", kill_on_drop: false }`
[INFO] [stdout] 336c513fc6c27a47b1879b68b8b7f09d2576014a4274ab959e404d069960252f
