[INFO] cloning repository https://github.com/hsmtkk/didactic-octo-couscous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/didactic-octo-couscous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fdidactic-octo-couscous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fdidactic-octo-couscous'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9638ae6bb34d0c75b30bdb8133a07e0fb94a3cad
[INFO] checking hsmtkk/didactic-octo-couscous against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fdidactic-octo-couscous" "/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/hsmtkk/didactic-octo-couscous on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hsmtkk/didactic-octo-couscous
[INFO] finished tweaking git repo https://github.com/hsmtkk/didactic-octo-couscous
[INFO] tweaked toml for git repo https://github.com/hsmtkk/didactic-octo-couscous written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hsmtkk/didactic-octo-couscous 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.0
[INFO] [stderr]   Downloaded directories v3.0.1
[INFO] [stderr]   Downloaded socket2 v0.3.16
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded crossterm v0.18.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c093d234dd8440ab4463ac4393ae65cda7ccc2ae23acccb194acd20cc7332c4d
[INFO] running `Command { std: "docker" "start" "-a" "c093d234dd8440ab4463ac4393ae65cda7ccc2ae23acccb194acd20cc7332c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c093d234dd8440ab4463ac4393ae65cda7ccc2ae23acccb194acd20cc7332c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c093d234dd8440ab4463ac4393ae65cda7ccc2ae23acccb194acd20cc7332c4d", kill_on_drop: false }`
[INFO] [stdout] c093d234dd8440ab4463ac4393ae65cda7ccc2ae23acccb194acd20cc7332c4d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7467c3dd1946c2c7f4e2b3a12bf176379c45b701f14139d090ab68af71c3c942
[INFO] running `Command { std: "docker" "start" "-a" "7467c3dd1946c2c7f4e2b3a12bf176379c45b701f14139d090ab68af71c3c942", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking unicode-segmentation v1.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]     Checking ox v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `icon` are never read
[INFO] [stdout]    --> src/config.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub struct Language {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 197 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 198 |     pub icon: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Language` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/highlight.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 9  |     pub span: (usize, usize),
[INFO] [stdout] 10 |     pub data: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/undo.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     DeleteWord(Position, String),                   // Delete word
[INFO] [stdout]    |     ----------           ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 |     DeleteWord(Position, ()),                   // Delete word
[INFO] [stdout]    |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `icon` are never read
[INFO] [stdout]    --> src/config.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub struct Language {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 197 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 198 |     pub icon: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Language` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/highlight.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 9  |     pub span: (usize, usize),
[INFO] [stdout] 10 |     pub data: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/undo.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     DeleteWord(Position, String),                   // Delete word
[INFO] [stdout]    |     ----------           ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 |     DeleteWord(Position, ()),                   // Delete word
[INFO] [stdout]    |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "7467c3dd1946c2c7f4e2b3a12bf176379c45b701f14139d090ab68af71c3c942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7467c3dd1946c2c7f4e2b3a12bf176379c45b701f14139d090ab68af71c3c942", kill_on_drop: false }`
[INFO] [stdout] 7467c3dd1946c2c7f4e2b3a12bf176379c45b701f14139d090ab68af71c3c942