[INFO] cloning repository porglezomp/bf-arm
[INFO] running `"git" "clone" "--bare" "git://github.com/porglezomp/bf-arm.git" "work/cache/sources/gh/porglezomp/bf-arm"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/porglezomp/bf-arm'...
[INFO] running `"git" "clone" "work/cache/sources/gh/porglezomp/bf-arm" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/porglezomp/bf-arm"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/porglezomp/bf-arm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/porglezomp/bf-arm" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/porglezomp/bf-arm"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/porglezomp/bf-arm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 925f274188a46616d4e4351a3b043d93329b6800
[INFO] sha for GitHub repo porglezomp/bf-arm: 925f274188a46616d4e4351a3b043d93329b6800
[INFO] validating manifest of porglezomp/bf-arm on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of porglezomp/bf-arm on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing porglezomp/bf-arm
[INFO] finished frobbing porglezomp/bf-arm
[INFO] frobbed toml for porglezomp/bf-arm written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/porglezomp/bf-arm/Cargo.toml
[INFO] started frobbing porglezomp/bf-arm
[INFO] finished frobbing porglezomp/bf-arm
[INFO] frobbed toml for porglezomp/bf-arm written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/porglezomp/bf-arm/Cargo.toml
[INFO] crate porglezomp/bf-arm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking porglezomp/bf-arm against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/porglezomp/bf-arm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e98f6fcb235b813afd0ae10ba862d95cfda26fdd8462a96829cfc484bc657f3c
[INFO] running `"docker" "start" "-a" "e98f6fcb235b813afd0ae10ba862d95cfda26fdd8462a96829cfc484bc657f3c"`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Read, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:48
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn read(fname: &String) -> std::io::Result<Box<Iterator<Item=char>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Read, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:48
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn read(fname: &String) -> std::io::Result<Box<Iterator<Item=char>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for type `std::io::BufReader<std::fs::File>` in the current scope
[INFO] [stderr]    --> src/main.rs:130:35
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let chars = BufReader::new(f).chars();
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `compiler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `chars` found for type `std::io::BufReader<std::fs::File>` in the current scope
[INFO] [stderr]    --> src/main.rs:130:35
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let chars = BufReader::new(f).chars();
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `compiler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e98f6fcb235b813afd0ae10ba862d95cfda26fdd8462a96829cfc484bc657f3c"`
[INFO] running `"docker" "rm" "-f" "e98f6fcb235b813afd0ae10ba862d95cfda26fdd8462a96829cfc484bc657f3c"`
[INFO] [stdout] e98f6fcb235b813afd0ae10ba862d95cfda26fdd8462a96829cfc484bc657f3c