[INFO] updating cached repository https://github.com/bramvdbogaerde/calculator-rs [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5be7bd7d2946fb1da15e5adfb767d39e5b1a7dcc [INFO] testing bramvdbogaerde/calculator-rs 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%2Fbramvdbogaerde%2Fcalculator-rs" "/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/bramvdbogaerde/calculator-rs 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/bramvdbogaerde/calculator-rs [INFO] finished tweaking git repo https://github.com/bramvdbogaerde/calculator-rs [INFO] tweaked toml for git repo https://github.com/bramvdbogaerde/calculator-rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/bramvdbogaerde/calculator-rs 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] [stdout] 1f8da36c0be4b647c8a3b30bb5ef6cffcece1c4487bf7d1aa562d17f1c757cec [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" "1f8da36c0be4b647c8a3b30bb5ef6cffcece1c4487bf7d1aa562d17f1c757cec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f8da36c0be4b647c8a3b30bb5ef6cffcece1c4487bf7d1aa562d17f1c757cec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f8da36c0be4b647c8a3b30bb5ef6cffcece1c4487bf7d1aa562d17f1c757cec", kill_on_drop: false }` [INFO] [stdout] 1f8da36c0be4b647c8a3b30bb5ef6cffcece1c4487bf7d1aa562d17f1c757cec [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 00b69613d3adfccf4714d09bb06af94f5e37c0a6cd553de5c8789c3d318b0ffd [INFO] running `Command { std: "docker" "start" "-a" "00b69613d3adfccf4714d09bb06af94f5e37c0a6cd553de5c8789c3d318b0ffd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling macro-attr v0.2.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling cactus v1.0.5 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Compiling aho-corasick v0.7.7 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling vob v2.0.4 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling filetime v0.2.8 [INFO] [stderr] Compiling rmp v0.8.9 [INFO] [stderr] Compiling backtrace v0.3.43 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling getset v0.0.9 [INFO] [stderr] Compiling typename_derive v0.1.4 [INFO] [stderr] Compiling typename v0.1.2 [INFO] [stderr] Compiling vergen v2.1.3 [INFO] [stderr] Compiling lrpar v0.5.1 [INFO] [stderr] Compiling packedvec v1.2.2 [INFO] [stderr] Compiling rmp-serde v0.14.0 [INFO] [stderr] Compiling bincode v1.2.1 [INFO] [stderr] Compiling cfgrammar v0.5.1 [INFO] [stderr] Compiling sparsevec v0.1.3 [INFO] [stderr] Compiling lrtable v0.5.1 [INFO] [stderr] Compiling lrlex v0.5.1 [INFO] [stderr] Compiling calculator-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | _ => unreachable!() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | let (expr, err) = calc_y::parse(&lexer); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `Command { std: "docker" "inspect" "00b69613d3adfccf4714d09bb06af94f5e37c0a6cd553de5c8789c3d318b0ffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00b69613d3adfccf4714d09bb06af94f5e37c0a6cd553de5c8789c3d318b0ffd", kill_on_drop: false }` [INFO] [stdout] 00b69613d3adfccf4714d09bb06af94f5e37c0a6cd553de5c8789c3d318b0ffd [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5a26b02f30eaa7d1e3a68d5c13ceda34759795bbc79c2d3b074d3b07b11223ad [INFO] running `Command { std: "docker" "start" "-a" "5a26b02f30eaa7d1e3a68d5c13ceda34759795bbc79c2d3b074d3b07b11223ad", kill_on_drop: false }` [INFO] [stderr] Compiling calculator-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | _ => unreachable!() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | let (expr, err) = calc_y::parse(&lexer); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "5a26b02f30eaa7d1e3a68d5c13ceda34759795bbc79c2d3b074d3b07b11223ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a26b02f30eaa7d1e3a68d5c13ceda34759795bbc79c2d3b074d3b07b11223ad", kill_on_drop: false }` [INFO] [stdout] 5a26b02f30eaa7d1e3a68d5c13ceda34759795bbc79c2d3b074d3b07b11223ad [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", kill_on_drop: false }` [INFO] [stdout] 2260a76db0a5d8e22a5c74a2c3927c13264e7db3b53264a880c1c0d86b89198e [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" "2260a76db0a5d8e22a5c74a2c3927c13264e7db3b53264a880c1c0d86b89198e", kill_on_drop: false }` [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/eval.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | _ => unreachable!() [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:18:16 [INFO] [stderr] | [INFO] [stderr] 18 | let (expr, err) = calc_y::parse(&lexer); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/calculator_rs-5bc8d482033ac731 [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 `Command { std: "docker" "inspect" "2260a76db0a5d8e22a5c74a2c3927c13264e7db3b53264a880c1c0d86b89198e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2260a76db0a5d8e22a5c74a2c3927c13264e7db3b53264a880c1c0d86b89198e", kill_on_drop: false }` [INFO] [stdout] 2260a76db0a5d8e22a5c74a2c3927c13264e7db3b53264a880c1c0d86b89198e