[INFO] cloning repository https://github.com/mbudde/pnc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbudde/pnc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbudde%2Fpnc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbudde%2Fpnc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe76668a8003245dc8fe250a13ef09fe8f43a46c
[INFO] testing mbudde/pnc against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbudde%2Fpnc" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbudde/pnc on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbudde/pnc
[INFO] finished tweaking git repo https://github.com/mbudde/pnc
[INFO] tweaked toml for git repo https://github.com/mbudde/pnc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mbudde/pnc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e684ef3a1b08821db67d1873eac45af252aaf0eb13a80ecca6ea3e92a8fe2ffa
[INFO] running `Command { std: "docker" "start" "-a" "e684ef3a1b08821db67d1873eac45af252aaf0eb13a80ecca6ea3e92a8fe2ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e684ef3a1b08821db67d1873eac45af252aaf0eb13a80ecca6ea3e92a8fe2ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e684ef3a1b08821db67d1873eac45af252aaf0eb13a80ecca6ea3e92a8fe2ffa", kill_on_drop: false }`
[INFO] [stdout] e684ef3a1b08821db67d1873eac45af252aaf0eb13a80ecca6ea3e92a8fe2ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd3c28573cfc42e0de127d99dd08a4c952fa7b99edf76ad73801da111400fe03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd3c28573cfc42e0de127d99dd08a4c952fa7b99edf76ad73801da111400fe03", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling backtrace v0.3.4
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling pnc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `new_without_default`
[INFO] [stdout]   --> src/calc.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[allow(new_without_default)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `cyclomatic_complexity`
[INFO] [stdout]   --> src/calc.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[allow(cyclomatic_complexity)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `cyclomatic_complexity`
[INFO] [stdout]    --> src/calc.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |     #[allow(cyclomatic_complexity)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]    --> src/main.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 11  | use std::io::prelude::*;
[INFO] [stdout]     |     ------------------- the item `BufRead` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 102 |             use std::io::BufRead;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]   --> src/main.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |     if let Some(mut p) = std::env::home_dir() {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.13s
[INFO] running `Command { std: "docker" "inspect" "bd3c28573cfc42e0de127d99dd08a4c952fa7b99edf76ad73801da111400fe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3c28573cfc42e0de127d99dd08a4c952fa7b99edf76ad73801da111400fe03", kill_on_drop: false }`
[INFO] [stdout] bd3c28573cfc42e0de127d99dd08a4c952fa7b99edf76ad73801da111400fe03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c10d2fa6ba04f425b8aa441dfed1a9f3b5be2c2129e58a0bae1f14d509ec51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66c10d2fa6ba04f425b8aa441dfed1a9f3b5be2c2129e58a0bae1f14d509ec51", kill_on_drop: false }`
[INFO] [stderr]    Compiling pnc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `new_without_default`
[INFO] [stdout]   --> src/calc.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[allow(new_without_default)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `cyclomatic_complexity`
[INFO] [stdout]   --> src/calc.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[allow(cyclomatic_complexity)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `cyclomatic_complexity`
[INFO] [stdout]    --> src/calc.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |     #[allow(cyclomatic_complexity)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]    --> src/main.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 11  | use std::io::prelude::*;
[INFO] [stdout]     |     ------------------- the item `BufRead` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 102 |             use std::io::BufRead;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]   --> src/main.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |     if let Some(mut p) = std::env::home_dir() {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Block` found for enum `words::Operation` in the current scope
[INFO] [stdout]    --> src/dict.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |                     Operation::Block(vec!["1", "+"].into_iter().map(|s| s.to_owned()).collect()));
[INFO] [stdout]     |                                ^^^^^ variant or associated item not found in `words::Operation`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/words.rs:66:1
[INFO] [stdout]     |
[INFO] [stdout] 66  | pub enum Operation {
[INFO] [stdout]     | ------------------ variant or associated item `Block` not found here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Block` found for enum `words::Operation` in the current scope
[INFO] [stdout]    --> src/dict.rs:176:44
[INFO] [stdout]     |
[INFO] [stdout] 176 |                    Some(Rc::new(Operation::Block(vec!["1", "+"]
[INFO] [stdout]     |                                            ^^^^^ variant or associated item not found in `words::Operation`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/words.rs:66:1
[INFO] [stdout]     |
[INFO] [stdout] 66  | pub enum Operation {
[INFO] [stdout]     | ------------------ variant or associated item `Block` not found here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pnc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "66c10d2fa6ba04f425b8aa441dfed1a9f3b5be2c2129e58a0bae1f14d509ec51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c10d2fa6ba04f425b8aa441dfed1a9f3b5be2c2129e58a0bae1f14d509ec51", kill_on_drop: false }`
[INFO] [stdout] 66c10d2fa6ba04f425b8aa441dfed1a9f3b5be2c2129e58a0bae1f14d509ec51