[INFO] fetching crate jumpto 0.1.0...
[INFO] checking jumpto-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate jumpto 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jumpto 0.1.0
[INFO] finished tweaking crates.io crate jumpto 0.1.0
[INFO] tweaked toml for crates.io crate jumpto 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jumpto 0.1.0 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 crates.io crate jumpto 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fd76b488a0be0816e49000156cf89e014ffa1f6e732561277f81be7bd2e5ed81
[INFO] running `Command { std: "docker" "start" "-a" "fd76b488a0be0816e49000156cf89e014ffa1f6e732561277f81be7bd2e5ed81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd76b488a0be0816e49000156cf89e014ffa1f6e732561277f81be7bd2e5ed81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd76b488a0be0816e49000156cf89e014ffa1f6e732561277f81be7bd2e5ed81", kill_on_drop: false }`
[INFO] [stdout] fd76b488a0be0816e49000156cf89e014ffa1f6e732561277f81be7bd2e5ed81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7c2c6a590372f1a84e2a94edbb3f7622f6c663f95dd36f657a66fc1e2dfd9881
[INFO] running `Command { std: "docker" "start" "-a" "7c2c6a590372f1a84e2a94edbb3f7622f6c663f95dd36f657a66fc1e2dfd9881", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking jumpto 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/main.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Add { name: String, path: Option<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 `jumpto` (bin "jumpto") due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Add { name: String, path: Option<String> },
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Remove { name: 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/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     /// Name of the stored directory to jump to
[INFO] [stdout] 45 | |     name: Option<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/main.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Add { name: String, path: Option<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/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Add { name: String, path: Option<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/main.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Remove { name: 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/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     /// Name of the stored directory to jump to
[INFO] [stdout] 45 | |     name: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jumpto` (bin "jumpto" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7c2c6a590372f1a84e2a94edbb3f7622f6c663f95dd36f657a66fc1e2dfd9881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2c6a590372f1a84e2a94edbb3f7622f6c663f95dd36f657a66fc1e2dfd9881", kill_on_drop: false }`
[INFO] [stdout] 7c2c6a590372f1a84e2a94edbb3f7622f6c663f95dd36f657a66fc1e2dfd9881
