[INFO] fetching crate agda-tac 0.1.5...
[INFO] checking agda-tac-0.1.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate agda-tac 0.1.5 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate agda-tac 0.1.5
[INFO] finished tweaking crates.io crate agda-tac 0.1.5
[INFO] tweaked toml for crates.io crate agda-tac 0.1.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate agda-tac 0.1.5 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 agda-tac 0.1.5 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c4c404ceb7555cbaf82dfa40257e9b332a80f2925f8a03a5a241559f8d1201f2
[INFO] running `Command { std: "docker" "start" "-a" "c4c404ceb7555cbaf82dfa40257e9b332a80f2925f8a03a5a241559f8d1201f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4c404ceb7555cbaf82dfa40257e9b332a80f2925f8a03a5a241559f8d1201f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c404ceb7555cbaf82dfa40257e9b332a80f2925f8a03a5a241559f8d1201f2", kill_on_drop: false }`
[INFO] [stdout] c4c404ceb7555cbaf82dfa40257e9b332a80f2925f8a03a5a241559f8d1201f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 66a2045873e3740d296ce879032fe1c64bfe154f7c8496a17ffba908664d8489
[INFO] running `Command { std: "docker" "start" "-a" "66a2045873e3740d296ce879032fe1c64bfe154f7c8496a17ffba908664d8489", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking ropey v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking minitt-util v0.2.4
[INFO] [stderr]     Checking agda-mode v0.1.8
[INFO] [stderr]     Checking agda-tac v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/file_io.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Repl {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/args.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// The input file to type-check (Notice: file should be UTF-8 encoded)
[INFO] [stdout] 13 | |     #[structopt(name = "FILE")]
[INFO] [stdout] 14 | |     pub file: 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<String, Infallible>
[INFO] [stdout]   --> src/args.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /// Path to your agda executable
[INFO] [stdout] 17 | |     #[structopt(long, name = "path")]
[INFO] [stdout] 18 | |     pub agda: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file_io.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn line_in_buffer(&mut self, line_num: usize) -> RopeSlice {
[INFO] [stdout]     |                           ^^^^^^^^^                      ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn line_in_buffer(&mut self, line_num: usize) -> RopeSlice<'_> {
[INFO] [stdout]     |                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `agda-tac` (bin "agda-tac") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/file_io.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Repl {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/args.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// The input file to type-check (Notice: file should be UTF-8 encoded)
[INFO] [stdout] 13 | |     #[structopt(name = "FILE")]
[INFO] [stdout] 14 | |     pub file: 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<String, Infallible>
[INFO] [stdout]   --> src/args.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /// Path to your agda executable
[INFO] [stdout] 17 | |     #[structopt(long, name = "path")]
[INFO] [stdout] 18 | |     pub agda: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file_io.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn line_in_buffer(&mut self, line_num: usize) -> RopeSlice {
[INFO] [stdout]     |                           ^^^^^^^^^                      ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn line_in_buffer(&mut self, line_num: usize) -> RopeSlice<'_> {
[INFO] [stdout]     |                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `agda-tac` (bin "agda-tac" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "66a2045873e3740d296ce879032fe1c64bfe154f7c8496a17ffba908664d8489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a2045873e3740d296ce879032fe1c64bfe154f7c8496a17ffba908664d8489", kill_on_drop: false }`
[INFO] [stdout] 66a2045873e3740d296ce879032fe1c64bfe154f7c8496a17ffba908664d8489
