[INFO] updating cached repository https://github.com/inakleinbottle/teach [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 40cdc5ecbe256531dd1754c3848dff0b48ece897 [INFO] checking inakleinbottle/teach against master#2da942f32802c8233a09744024dfbc34431adf65 for pr-66963 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finakleinbottle%2Fteach" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/inakleinbottle/teach on toolchain 2da942f32802c8233a09744024dfbc34431adf65 [INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/inakleinbottle/teach [INFO] finished tweaking git repo https://github.com/inakleinbottle/teach [INFO] tweaked toml for git repo https://github.com/inakleinbottle/teach written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/inakleinbottle/teach already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Updating git repository `https://github.com/inakleinbottle/texoutparse-rs.git` [INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 297bb8fd7f68f904fc3b81fab455e41537fdf2c4d1402223f119c5fb9ea0d0b7 [INFO] running `"docker" "start" "-a" "297bb8fd7f68f904fc3b81fab455e41537fdf2c4d1402223f119c5fb9ea0d0b7"` [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking directories v0.10.0 [INFO] [stderr] Checking term_grid v0.1.7 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking term_size v0.3.1 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking simple_logger v1.3.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking latex v0.3.1 [INFO] [stderr] Checking serde v1.0.103 [INFO] [stderr] Checking toml_edit v0.1.5 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking outparse v0.1.0 (https://github.com/inakleinbottle/texoutparse-rs.git#a1b51032) [INFO] [stderr] Checking toml v0.5.5 [INFO] [stderr] Checking confy v0.3.1 [INFO] [stderr] Checking teach v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `PathBuf` [INFO] [stderr] --> src/preview.rs:4:23 [INFO] [stderr] | [INFO] [stderr] 4 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `error` [INFO] [stderr] --> src/preview.rs:9:11 [INFO] [stderr] | [INFO] [stderr] 9 | use log::{error, info, trace, warn}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `PathBuf` [INFO] [stderr] --> src/preview.rs:4:23 [INFO] [stderr] | [INFO] [stderr] 4 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `error` [INFO] [stderr] --> src/preview.rs:9:11 [INFO] [stderr] | [INFO] [stderr] 9 | use log::{error, info, trace, warn}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/makefile.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/makefile.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/makefile.rs:187:9 [INFO] [stderr] | [INFO] [stderr] 187 | let mut comp: Vec<&str> = components.iter().map(AsRef::as_ref).collect(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `TEXINPUTS` should have a snake case name [INFO] [stderr] --> src/makefile.rs:144:13 [INFO] [stderr] | [INFO] [stderr] 144 | let mut TEXINPUTS = String::from("export TEXINPUTS="); [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `texinputs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/makefile.rs:187:9 [INFO] [stderr] | [INFO] [stderr] 187 | let mut comp: Vec<&str> = components.iter().map(AsRef::as_ref).collect(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `TEXINPUTS` should have a snake case name [INFO] [stderr] --> src/makefile.rs:144:13 [INFO] [stderr] | [INFO] [stderr] 144 | let mut TEXINPUTS = String::from("export TEXINPUTS="); [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `texinputs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 23s [INFO] running `"docker" "inspect" "297bb8fd7f68f904fc3b81fab455e41537fdf2c4d1402223f119c5fb9ea0d0b7"` [INFO] running `"docker" "rm" "-f" "297bb8fd7f68f904fc3b81fab455e41537fdf2c4d1402223f119c5fb9ea0d0b7"` [INFO] [stdout] 297bb8fd7f68f904fc3b81fab455e41537fdf2c4d1402223f119c5fb9ea0d0b7