[INFO] cloning repository https://github.com/harshu4/easy_assign
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harshu4/easy_assign" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharshu4%2Feasy_assign", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharshu4%2Feasy_assign'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d19526850a96a26dbfd98791c6ce7e64db7e43d9
[INFO] testing harshu4/easy_assign 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%2Fharshu4%2Feasy_assign" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harshu4/easy_assign 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/harshu4/easy_assign
[INFO] finished tweaking git repo https://github.com/harshu4/easy_assign
[INFO] tweaked toml for git repo https://github.com/harshu4/easy_assign written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/harshu4/easy_assign 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cmd_lib v0.7.8
[INFO] [stderr]   Downloaded lopdf v0.24.0
[INFO] [stderr]   Downloaded pom v3.1.0
[INFO] [stderr]   Downloaded printpdf v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9e360370dc6799287583da35f78ec1359c6f50ce1b5815f15becc1f5372996ae
[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" "9e360370dc6799287583da35f78ec1359c6f50ce1b5815f15becc1f5372996ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e360370dc6799287583da35f78ec1359c6f50ce1b5815f15becc1f5372996ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e360370dc6799287583da35f78ec1359c6f50ce1b5815f15becc1f5372996ae", kill_on_drop: false }`
[INFO] [stdout] 9e360370dc6799287583da35f78ec1359c6f50ce1b5815f15becc1f5372996ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 44d3ba0a9885edb0d6c04242f3e58ac5af412099df6ff06b613ff3c016d83be8
[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" "44d3ba0a9885edb0d6c04242f3e58ac5af412099df6ff06b613ff3c016d83be8", kill_on_drop: false }`
[INFO] [stderr]    Compiling standback v0.2.2
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling pom v3.1.0
[INFO] [stderr]    Compiling cmd_lib v0.7.8
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling image v0.23.3
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]    Compiling lopdf v0.24.0
[INFO] [stderr]    Compiling printpdf v0.3.2
[INFO] [stderr]    Compiling get_output v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/pdf.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_utf8` found for type `str` in the current scope
[INFO] [stdout]    --> src/main.rs:108:42
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let xterm_process:Vec<&str>=str::from_utf8(&xterm_process.stdout).unwrap().split(" ").collect(); 
[INFO] [stdout]     |                                          ^^^^^^^^^ function or associated item not found in `str`
[INFO] [stdout]     |
[INFO] [stdout] help: you are looking for the module in `std`, not the primitive type
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let xterm_process:Vec<&str>=std::str::from_utf8(&xterm_process.stdout).unwrap().split(" ").collect(); 
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_utf8` found for type `str` in the current scope
[INFO] [stdout]    --> src/main.rs:123:41
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let xvfb_process:Vec<&str>=str::from_utf8(&xvfb_process.stdout).unwrap().split(" ").collect(); 
[INFO] [stdout]     |                                         ^^^^^^^^^ function or associated item not found in `str`
[INFO] [stdout]     |
[INFO] [stdout] help: you are looking for the module in `std`, not the primitive type
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let xvfb_process:Vec<&str>=std::str::from_utf8(&xvfb_process.stdout).unwrap().split(" ").collect(); 
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `get_output`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "44d3ba0a9885edb0d6c04242f3e58ac5af412099df6ff06b613ff3c016d83be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d3ba0a9885edb0d6c04242f3e58ac5af412099df6ff06b613ff3c016d83be8", kill_on_drop: false }`
[INFO] [stdout] 44d3ba0a9885edb0d6c04242f3e58ac5af412099df6ff06b613ff3c016d83be8
