[INFO] updating cached repository https://github.com/solson/shroom
[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] f0b51502750feb949d2d487f638405f41dcda63a
[INFO] testing solson/shroom against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolson%2Fshroom" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/solson/shroom 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/solson/shroom
[INFO] finished tweaking git repo https://github.com/solson/shroom
[INFO] tweaked toml for git repo https://github.com/solson/shroom written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/solson/shroom 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] error: the lock file /workspace/builds/worker-14/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[INFO] the lockfile is outdated, regenerating it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] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d5c76da40784958b9f1a3c3fafdc9fd1ead2c54366bb49f12088549d3d29284
[INFO] running `"docker" "start" "-a" "5d5c76da40784958b9f1a3c3fafdc9fd1ead2c54366bb49f12088549d3d29284"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling itertools v0.3.25
[INFO] [stderr]    Compiling shroom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 '\\' => try!(self.lex_double_quote_escape(&mut text)),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let escaped = try!(self.read_char().ok_or(ParseError::UnexpectedEnd));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:173:25
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let token = try!(token_result);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:188:25
[INFO] [stderr]     |
[INFO] [stderr] 188 |             let token = try!(token_result);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let current_dir = try!(std::env::current_dir());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     try!(io::stdout().flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:40
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]   --> src/main.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     } else if let Some(home) = std::env::home_dir() {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |         write!(f, "{}", error::Error::description(self))
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "5d5c76da40784958b9f1a3c3fafdc9fd1ead2c54366bb49f12088549d3d29284"`
[INFO] running `"docker" "rm" "-f" "5d5c76da40784958b9f1a3c3fafdc9fd1ead2c54366bb49f12088549d3d29284"`
[INFO] [stdout] 5d5c76da40784958b9f1a3c3fafdc9fd1ead2c54366bb49f12088549d3d29284
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] fc26fa492d6acec29dc67aff3c88f7eda4c1b949272a3496ff8681aa532c9b40
[INFO] running `"docker" "start" "-a" "fc26fa492d6acec29dc67aff3c88f7eda4c1b949272a3496ff8681aa532c9b40"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling shroom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 '\\' => try!(self.lex_double_quote_escape(&mut text)),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let escaped = try!(self.read_char().ok_or(ParseError::UnexpectedEnd));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:173:25
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let token = try!(token_result);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:188:25
[INFO] [stderr]     |
[INFO] [stderr] 188 |             let token = try!(token_result);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let current_dir = try!(std::env::current_dir());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     try!(io::stdout().flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:40
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]   --> src/main.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     } else if let Some(home) = std::env::home_dir() {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |         write!(f, "{}", error::Error::description(self))
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "fc26fa492d6acec29dc67aff3c88f7eda4c1b949272a3496ff8681aa532c9b40"`
[INFO] running `"docker" "rm" "-f" "fc26fa492d6acec29dc67aff3c88f7eda4c1b949272a3496ff8681aa532c9b40"`
[INFO] [stdout] fc26fa492d6acec29dc67aff3c88f7eda4c1b949272a3496ff8681aa532c9b40
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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"`
[INFO] [stdout] 7ec8b671116d0a43c0d47611856d9b2f569545614f2540cfa07da7bc255db40a
[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" "7ec8b671116d0a43c0d47611856d9b2f569545614f2540cfa07da7bc255db40a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 '\\' => try!(self.lex_double_quote_escape(&mut text)),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let escaped = try!(self.read_char().ok_or(ParseError::UnexpectedEnd));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:173:25
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let token = try!(token_result);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:188:25
[INFO] [stderr]     |
[INFO] [stderr] 188 |             let token = try!(token_result);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let current_dir = try!(std::env::current_dir());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     try!(io::stdout().flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:85:40
[INFO] [stderr]    |
[INFO] [stderr] 85 |             'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '+' | '/' | '_' | '.' => true,
[INFO] [stderr]    |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]   --> src/main.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     } else if let Some(home) = std::env::home_dir() {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |         write!(f, "{}", error::Error::description(self))
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shroom-af9ed358fc8cf651
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7ec8b671116d0a43c0d47611856d9b2f569545614f2540cfa07da7bc255db40a"`
[INFO] running `"docker" "rm" "-f" "7ec8b671116d0a43c0d47611856d9b2f569545614f2540cfa07da7bc255db40a"`
[INFO] [stdout] 7ec8b671116d0a43c0d47611856d9b2f569545614f2540cfa07da7bc255db40a