[INFO] cloning repository https://github.com/dwerner/myconfig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwerner/myconfig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fmyconfig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fmyconfig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9809b82581fa523a4b810c4de5438e5cf83f93fa
[INFO] testing dwerner/myconfig against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fmyconfig" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwerner/myconfig on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwerner/myconfig
[INFO] finished tweaking git repo https://github.com/dwerner/myconfig
[INFO] tweaked toml for git repo https://github.com/dwerner/myconfig written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/dwerner/myconfig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-channel v1.4.1
[INFO] [stderr]   Downloaded polling v0.1.8
[INFO] [stderr]   Downloaded async-mutex v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04dbdd770f8712e280112bda25eed55948da727c7dcf6ed6a20415fc02aa5d77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04dbdd770f8712e280112bda25eed55948da727c7dcf6ed6a20415fc02aa5d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04dbdd770f8712e280112bda25eed55948da727c7dcf6ed6a20415fc02aa5d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04dbdd770f8712e280112bda25eed55948da727c7dcf6ed6a20415fc02aa5d77", kill_on_drop: false }`
[INFO] [stdout] 04dbdd770f8712e280112bda25eed55948da727c7dcf6ed6a20415fc02aa5d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96dd10433e16148c535518f58c602d07ef05cd4fe57a2264289c774f1daa0f45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96dd10433e16148c535518f58c602d07ef05cd4fe57a2264289c774f1daa0f45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.3.5
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.2.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling multitask v0.2.0
[INFO] [stderr]    Compiling async-channel v1.4.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v0.5.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling polling v0.1.8
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling async-io v0.1.11
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling async-executor v0.1.2
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-std v1.6.3
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling myconfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/common.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn symlink(src: &str, dest: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/common.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn symlink(src: &str, dest: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "96dd10433e16148c535518f58c602d07ef05cd4fe57a2264289c774f1daa0f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96dd10433e16148c535518f58c602d07ef05cd4fe57a2264289c774f1daa0f45", kill_on_drop: false }`
[INFO] [stdout] 96dd10433e16148c535518f58c602d07ef05cd4fe57a2264289c774f1daa0f45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd08c71151b9cad3af5fe69af3a23888c1f122f18bc35893c80f9bbff543086f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd08c71151b9cad3af5fe69af3a23888c1f122f18bc35893c80f9bbff543086f", kill_on_drop: false }`
[INFO] [stderr]    Compiling myconfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/common.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn symlink(src: &str, dest: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/common.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn symlink(src: &str, dest: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `which` in this scope
[INFO] [stdout]   --> src/main.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let ls = which("ls");
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use myconfig::common::which;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PathBuf`
[INFO] [stdout]   --> src/main.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(PathBuf::from("/usr/bin/ls\n")), ls);
[INFO] [stdout]    |                  ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use async_std::path::PathBuf;
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use std::path::PathBuf;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/common.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn symlink(src: &str, dest: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/common.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn symlink(src: &str, dest: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `myconfig`
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dd08c71151b9cad3af5fe69af3a23888c1f122f18bc35893c80f9bbff543086f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd08c71151b9cad3af5fe69af3a23888c1f122f18bc35893c80f9bbff543086f", kill_on_drop: false }`
[INFO] [stdout] dd08c71151b9cad3af5fe69af3a23888c1f122f18bc35893c80f9bbff543086f
