[INFO] cloning repository https://github.com/thomaspttn/hopfile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomaspttn/hopfile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomaspttn%2Fhopfile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomaspttn%2Fhopfile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6f5aaa80e4f19aa6a520c3b329100205a4c39eb
[INFO] checking thomaspttn/hopfile against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomaspttn%2Fhopfile" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomaspttn/hopfile
[INFO] finished tweaking git repo https://github.com/thomaspttn/hopfile
[INFO] tweaked toml for git repo https://github.com/thomaspttn/hopfile written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomaspttn/hopfile on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomaspttn/hopfile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75cc419e81318b0f8ff18cf39b3501e8f8992123d5b8b41fe46dba2bd04efff8
[INFO] running `Command { std: "docker" "start" "-a" "75cc419e81318b0f8ff18cf39b3501e8f8992123d5b8b41fe46dba2bd04efff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cc419e81318b0f8ff18cf39b3501e8f8992123d5b8b41fe46dba2bd04efff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cc419e81318b0f8ff18cf39b3501e8f8992123d5b8b41fe46dba2bd04efff8", kill_on_drop: false }`
[INFO] [stdout] 75cc419e81318b0f8ff18cf39b3501e8f8992123d5b8b41fe46dba2bd04efff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e413adb4bfe101c33c8efc9d75aeb5e1eee06b344445a6ce6cc6c0a4018e3b
[INFO] running `Command { std: "docker" "start" "-a" "68e413adb4bfe101c33c8efc9d75aeb5e1eee06b344445a6ce6cc6c0a4018e3b", kill_on_drop: false }`
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]     Checking hopfile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/reader.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{BufReader, Read, Seek, SeekFrom};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/reader.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{BufReader, Read, Seek, SeekFrom};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `inspect_hopfile`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `src/bin/inspect_hopfile.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hopfile` (bin "inspect_hopfile") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0601]: `main` function not found in crate `build_hopfile`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `src/bin/build_hopfile.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hopfile` (bin "build_hopfile") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "68e413adb4bfe101c33c8efc9d75aeb5e1eee06b344445a6ce6cc6c0a4018e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e413adb4bfe101c33c8efc9d75aeb5e1eee06b344445a6ce6cc6c0a4018e3b", kill_on_drop: false }`
[INFO] [stdout] 68e413adb4bfe101c33c8efc9d75aeb5e1eee06b344445a6ce6cc6c0a4018e3b