[INFO] cloning repository https://github.com/ColinFendrick/rust-todo-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColinFendrick/rust-todo-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColinFendrick%2Frust-todo-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColinFendrick%2Frust-todo-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d017edafdb84a4f61b5e32d50a96de288e9bf8a9
[INFO] testing ColinFendrick/rust-todo-cli against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColinFendrick%2Frust-todo-cli" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ColinFendrick/rust-todo-cli on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ColinFendrick/rust-todo-cli
[INFO] finished tweaking git repo https://github.com/ColinFendrick/rust-todo-cli
[INFO] tweaked toml for git repo https://github.com/ColinFendrick/rust-todo-cli written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ColinFendrick/rust-todo-cli 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e6ace134cf06b6505f4f99911bf6824210c3a1a8009a0a5b7a8b2eca53f304a
[INFO] running `Command { std: "docker" "start" "-a" "2e6ace134cf06b6505f4f99911bf6824210c3a1a8009a0a5b7a8b2eca53f304a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e6ace134cf06b6505f4f99911bf6824210c3a1a8009a0a5b7a8b2eca53f304a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6ace134cf06b6505f4f99911bf6824210c3a1a8009a0a5b7a8b2eca53f304a", kill_on_drop: false }`
[INFO] [stdout] 2e6ace134cf06b6505f4f99911bf6824210c3a1a8009a0a5b7a8b2eca53f304a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee4a5055decb3f345102a256412489e7a595044d074549899a86bad0fa80cf8f
[INFO] running `Command { std: "docker" "start" "-a" "ee4a5055decb3f345102a256412489e7a595044d074549899a86bad0fa80cf8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling todo-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `read_to_string` found for struct `File` in the current scope
[INFO] [stdout]   --> src/main.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 |         f.read_to_string(&mut content)?;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^ method not found in `File`
[INFO] [stdout]   --> /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:754:8
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method is available for `File` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `todo-cli` (bin "todo-cli") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee4a5055decb3f345102a256412489e7a595044d074549899a86bad0fa80cf8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4a5055decb3f345102a256412489e7a595044d074549899a86bad0fa80cf8f", kill_on_drop: false }`
[INFO] [stdout] ee4a5055decb3f345102a256412489e7a595044d074549899a86bad0fa80cf8f
