[INFO] updating cached repository anuditnagar/rustexp [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/anuditnagar/rustexp [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/anuditnagar/rustexp" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/anuditnagar/rustexp"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/anuditnagar/rustexp'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/anuditnagar/rustexp" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/anuditnagar/rustexp"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/anuditnagar/rustexp'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] dae1f10f73a7606a402c654f0de604159d99abcf [INFO] sha for GitHub repo anuditnagar/rustexp: dae1f10f73a7606a402c654f0de604159d99abcf [INFO] validating manifest of anuditnagar/rustexp on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of anuditnagar/rustexp on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing anuditnagar/rustexp [INFO] finished frobbing anuditnagar/rustexp [INFO] frobbed toml for anuditnagar/rustexp written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/anuditnagar/rustexp/Cargo.toml [INFO] started frobbing anuditnagar/rustexp [INFO] finished frobbing anuditnagar/rustexp [INFO] frobbed toml for anuditnagar/rustexp written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/anuditnagar/rustexp/Cargo.toml [INFO] crate anuditnagar/rustexp already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking anuditnagar/rustexp against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/anuditnagar/rustexp:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ff187156e45837c9a529df739d13413693d0e5e9be8e441453eafb80cbb0dc96 [INFO] running `"docker" "start" "-a" "ff187156e45837c9a529df739d13413693d0e5e9be8e441453eafb80cbb0dc96"` [INFO] [stderr] Checking linecount v0.1.0 [INFO] [stderr] Checking elapsed v0.1.2 [INFO] [stderr] Checking rustexp v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: format argument must be a string literal [INFO] [stderr] --> src/bin/main.rs:73:35 [INFO] [stderr] | [INFO] [stderr] 73 | if let Err(e) = writeln!(file,line) { [INFO] [stderr] | ^^^^ [INFO] [stderr] help: you might be missing a string literal to format with [INFO] [stderr] | [INFO] [stderr] 73 | if let Err(e) = writeln!(file,"{}", line) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/bin/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error: format argument must be a string literal [INFO] [stderr] --> src/bin/main.rs:73:35 [INFO] [stderr] | [INFO] [stderr] 73 | if let Err(e) = writeln!(file,line) { [INFO] [stderr] | ^^^^ [INFO] [stderr] help: you might be missing a string literal to format with [INFO] [stderr] | [INFO] [stderr] 73 | if let Err(e) = writeln!(file,"{}", line) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/bin/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/bin/main.rs:62:18 [INFO] [stderr] | [INFO] [stderr] 62 | add_line(&line); [INFO] [stderr] | ^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&std::string::String` [INFO] [stderr] found type `&std::result::Result` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `rustexp`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/bin/main.rs:62:18 [INFO] [stderr] | [INFO] [stderr] 62 | add_line(&line); [INFO] [stderr] | ^^^^^ expected struct `std::string::String`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&std::string::String` [INFO] [stderr] found type `&std::result::Result` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `rustexp`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ff187156e45837c9a529df739d13413693d0e5e9be8e441453eafb80cbb0dc96"` [INFO] running `"docker" "rm" "-f" "ff187156e45837c9a529df739d13413693d0e5e9be8e441453eafb80cbb0dc96"` [INFO] [stdout] ff187156e45837c9a529df739d13413693d0e5e9be8e441453eafb80cbb0dc96