[INFO] cloning repository https://github.com/jelford/jete
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jelford/jete" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelford%2Fjete", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelford%2Fjete'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d60c9d7e4fde939e1954f468732d5aa897ba141a
[INFO] checking jelford/jete against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelford%2Fjete" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jelford/jete on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jelford/jete
[INFO] finished tweaking git repo https://github.com/jelford/jete
[INFO] tweaked toml for git repo https://github.com/jelford/jete written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jelford/jete 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.61
[INFO] [stderr]   Downloaded syntect v4.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f3971fd8cf549a43a85c80b614db21fb666fc0f98e41894d92eb99a803736dd
[INFO] running `Command { std: "docker" "start" "-a" "0f3971fd8cf549a43a85c80b614db21fb666fc0f98e41894d92eb99a803736dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f3971fd8cf549a43a85c80b614db21fb666fc0f98e41894d92eb99a803736dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3971fd8cf549a43a85c80b614db21fb666fc0f98e41894d92eb99a803736dd", kill_on_drop: false }`
[INFO] [stdout] 0f3971fd8cf549a43a85c80b614db21fb666fc0f98e41894d92eb99a803736dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03f000d7c0e2db376ef0c46ad5562fa91266ce8070347c65787a9a448f7a700d
[INFO] running `Command { std: "docker" "start" "-a" "03f000d7c0e2db376ef0c46ad5562fa91266ce8070347c65787a9a448f7a700d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking thread-id v4.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking bouncer v0.1.0 (/opt/rustwide/workdir/bouncer)
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking plist v1.1.0
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking log4rs v1.2.0
[INFO] [stderr]     Checking syntect v4.7.1
[INFO] [stderr]     Checking jete v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/text.rs:268:49
[INFO] [stdout]     |
[INFO] [stdout] 268 |         self.lines.get_mut(ln_number).map(move |mut ln| {
[INFO] [stdout]     |                                                 ----^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rev` is never read
[INFO] [stdout]    --> src/text.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub struct TextView {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 199 |     rev: Rev,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TextView` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/text.rs:268:49
[INFO] [stdout]     |
[INFO] [stdout] 268 |         self.lines.get_mut(ln_number).map(move |mut ln| {
[INFO] [stdout]     |                                                 ----^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rev` is never read
[INFO] [stdout]    --> src/text.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub struct TextView {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 199 |     rev: Rev,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TextView` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "03f000d7c0e2db376ef0c46ad5562fa91266ce8070347c65787a9a448f7a700d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f000d7c0e2db376ef0c46ad5562fa91266ce8070347c65787a9a448f7a700d", kill_on_drop: false }`
[INFO] [stdout] 03f000d7c0e2db376ef0c46ad5562fa91266ce8070347c65787a9a448f7a700d