[INFO] updating cached repository https://github.com/NickeZ/imapfetch
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b76209806035f88fb5661ad5db99202e108525c7
[INFO] testing NickeZ/imapfetch against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickeZ%2Fimapfetch" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NickeZ/imapfetch on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NickeZ/imapfetch
[INFO] removed path dependency imap from git repo https://github.com/NickeZ/imapfetch
[INFO] finished tweaking git repo https://github.com/NickeZ/imapfetch
[INFO] tweaked toml for git repo https://github.com/NickeZ/imapfetch written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/NickeZ/imapfetch already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 3abe12e514802222d8974a6eba160bdad49c6d954656ed8a4515fcf11d5d403b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3abe12e514802222d8974a6eba160bdad49c6d954656ed8a4515fcf11d5d403b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling buf-read-ext v0.3.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling terminal_size v0.1.12
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rpassword v3.0.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling email-format v0.7.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling imap-proto v0.7.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling imap v1.0.2
[INFO] [stderr]    Compiling imapfetch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buf`
[INFO] [stderr]   --> src/file.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     buf: &'a [u8],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/main.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 |                 let line = if let Some(e) = message.envelope() {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotATTY`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         NotATTY,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "3abe12e514802222d8974a6eba160bdad49c6d954656ed8a4515fcf11d5d403b"`
[INFO] running `"docker" "rm" "-f" "3abe12e514802222d8974a6eba160bdad49c6d954656ed8a4515fcf11d5d403b"`
[INFO] [stdout] 3abe12e514802222d8974a6eba160bdad49c6d954656ed8a4515fcf11d5d403b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de242971e3aa85898f3a60be631f08affbf0643e0c0fc1befc904ea0f2219797
[INFO] running `"docker" "start" "-a" "de242971e3aa85898f3a60be631f08affbf0643e0c0fc1befc904ea0f2219797"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling imapfetch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buf`
[INFO] [stderr]   --> src/file.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     buf: &'a [u8],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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/file.rs:90:40
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mbox = Mboxfile::from_file("test/example1.mbox").expect("File not found");
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^ expected struct `std::path::Path`, found `str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&std::path::Path`
[INFO] [stderr]               found reference `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `imapfetch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/main.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 |                 let line = if let Some(e) = message.envelope() {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotATTY`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         NotATTY,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "de242971e3aa85898f3a60be631f08affbf0643e0c0fc1befc904ea0f2219797"`
[INFO] running `"docker" "rm" "-f" "de242971e3aa85898f3a60be631f08affbf0643e0c0fc1befc904ea0f2219797"`
[INFO] [stdout] de242971e3aa85898f3a60be631f08affbf0643e0c0fc1befc904ea0f2219797