[INFO] updating cached repository https://github.com/captainbland/tree-climber [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] d42c596f40b568d7428a2abb18ae1763206d117b [INFO] testing captainbland/tree-climber against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaptainbland%2Ftree-climber" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/captainbland/tree-climber on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/captainbland/tree-climber [INFO] finished tweaking git repo https://github.com/captainbland/tree-climber [INFO] tweaked toml for git repo https://github.com/captainbland/tree-climber written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/captainbland/tree-climber already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d24f26be9b1c825329b1ba8b4fe9cfcd2b4403ee05e3324719563c7ddcc9226d [INFO] running `"docker" "start" "-a" "d24f26be9b1c825329b1ba8b4fe9cfcd2b4403ee05e3324719563c7ddcc9226d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.64 [INFO] [stderr] Compiling generational-arena v0.2.3 [INFO] [stderr] Compiling vec-tree v0.1.2 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling climb v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0425]: cannot find value `main_child` in this scope [INFO] [stderr] --> src/climb/tree_tools.rs:192:25 [INFO] [stderr] | [INFO] [stderr] 192 | stack.push((main_child, insert_child)); [INFO] [stderr] | ^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(try_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::fmt` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use core::fmt; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Formatter` [INFO] [stderr] --> src/main.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fmt::{Error, Formatter}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `unicode_segmentation::UnicodeSegmentation` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use unicode_segmentation::UnicodeSegmentation; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `vec_tree::*` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use vec_tree::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::fmt` [INFO] [stderr] --> src/climb/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core::fmt; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Formatter` [INFO] [stderr] --> src/climb/mod.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt::{Error, Formatter}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `io::Read`, `io` [INFO] [stderr] --> src/climb/mod.rs:4:11 [INFO] [stderr] | [INFO] [stderr] 4 | use std::{io, io::Read}; [INFO] [stderr] | ^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::climb::print_tree` [INFO] [stderr] --> src/climb/tree_tools.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::climb::print_tree; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BTreeSet`, `HashSet` [INFO] [stderr] --> src/climb/tree_tools.rs:4:24 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::{BTreeSet, HashSet}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `error`, `io` [INFO] [stderr] --> src/climb/tree_tools.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use std::{error, io}; [INFO] [stderr] | ^^^^^ ^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/climb/tree_tools.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | / macro_rules! wrap_str_err { [INFO] [stderr] 9 | | ($st: expr) => { [INFO] [stderr] 10 | | $st.map_err(|e| format!("{}", e))? [INFO] [stderr] 11 | | }; [INFO] [stderr] 12 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tree_tools::get_ancestors_match_re` [INFO] [stderr] --> src/climb/mod.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use tree_tools::get_ancestors_match_re; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `climb`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d24f26be9b1c825329b1ba8b4fe9cfcd2b4403ee05e3324719563c7ddcc9226d"` [INFO] running `"docker" "rm" "-f" "d24f26be9b1c825329b1ba8b4fe9cfcd2b4403ee05e3324719563c7ddcc9226d"` [INFO] [stdout] d24f26be9b1c825329b1ba8b4fe9cfcd2b4403ee05e3324719563c7ddcc9226d