[INFO] cloning repository https://github.com/ksparker7/elf-loader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ksparker7/elf-loader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksparker7%2Felf-loader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksparker7%2Felf-loader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eddd2c68b44422d409b1225d2edb730cd0d3bf2
[INFO] testing ksparker7/elf-loader against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksparker7%2Felf-loader" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ksparker7/elf-loader on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ksparker7/elf-loader
[INFO] finished tweaking git repo https://github.com/ksparker7/elf-loader
[INFO] tweaked toml for git repo https://github.com/ksparker7/elf-loader written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/ksparker7/elf-loader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36e92a47051fbcccd1b044c90ad2482d300b3230d75b7589c368dc8d4e25f530
[INFO] running `Command { std: "docker" "start" "-a" "36e92a47051fbcccd1b044c90ad2482d300b3230d75b7589c368dc8d4e25f530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36e92a47051fbcccd1b044c90ad2482d300b3230d75b7589c368dc8d4e25f530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e92a47051fbcccd1b044c90ad2482d300b3230d75b7589c368dc8d4e25f530", kill_on_drop: false }`
[INFO] [stdout] 36e92a47051fbcccd1b044c90ad2482d300b3230d75b7589c368dc8d4e25f530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5486ff6bd62a2676b3284b401c1bd293eae1b979576a187c6196252f28c6c04d
[INFO] running `Command { std: "docker" "start" "-a" "5486ff6bd62a2676b3284b401c1bd293eae1b979576a187c6196252f28c6c04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling elfLoader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_bits_const)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/loader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/loader.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let b1 = (self.readUByte()? as u16);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/loader.rs:188:26
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 let b1 = (self.readUShort()? as u32);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/loader.rs:210:26
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 let b1 = (self.readUInt()? as u64);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::loader`
[INFO] [stdout]  --> src/header.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::loader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `E_IDENT` should have an upper camel case name
[INFO] [stdout]   --> src/header.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct E_IDENT {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case: `EIdent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::header`
[INFO] [stdout]  --> src/sectionheader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::header;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::programheader`
[INFO] [stdout]  --> src/sectionheader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::programheader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::loader`
[INFO] [stdout]  --> src/sectionheader.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::loader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elfLoader` due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5486ff6bd62a2676b3284b401c1bd293eae1b979576a187c6196252f28c6c04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5486ff6bd62a2676b3284b401c1bd293eae1b979576a187c6196252f28c6c04d", kill_on_drop: false }`
[INFO] [stdout] 5486ff6bd62a2676b3284b401c1bd293eae1b979576a187c6196252f28c6c04d