[INFO] fetching crate johnston 0.2.1... [INFO] testing johnston-0.2.1 against 1.49.0 for beta-1.50-1 [INFO] extracting crate johnston 0.2.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate johnston 0.2.1 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate johnston 0.2.1 [INFO] finished tweaking crates.io crate johnston 0.2.1 [INFO] tweaked toml for crates.io crate johnston 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate johnston 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cff443686913bdd7a574bdec4da6ee4b7da675ba9dce3a2a437a3e9e88a293fc [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" "cff443686913bdd7a574bdec4da6ee4b7da675ba9dce3a2a437a3e9e88a293fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cff443686913bdd7a574bdec4da6ee4b7da675ba9dce3a2a437a3e9e88a293fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cff443686913bdd7a574bdec4da6ee4b7da675ba9dce3a2a437a3e9e88a293fc", kill_on_drop: false }` [INFO] [stdout] cff443686913bdd7a574bdec4da6ee4b7da675ba9dce3a2a437a3e9e88a293fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b104e277e1630ac01280ac4fe3047758936d0ed4a1f7017138e1f0791886b88d [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" "b104e277e1630ac01280ac4fe3047758936d0ed4a1f7017138e1f0791886b88d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling johnston v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `factors` [INFO] [stdout] --> src/lib.rs:108:4 [INFO] [stdout] | [INFO] [stdout] 108 | fn factors(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `prime` [INFO] [stdout] --> src/lib.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn prime(num: i32) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `power_of_two` [INFO] [stdout] --> src/lib.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn power_of_two(num: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gpf` [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn gpf(num: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.49s [INFO] running `Command { std: "docker" "inspect" "b104e277e1630ac01280ac4fe3047758936d0ed4a1f7017138e1f0791886b88d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b104e277e1630ac01280ac4fe3047758936d0ed4a1f7017138e1f0791886b88d", kill_on_drop: false }` [INFO] [stdout] b104e277e1630ac01280ac4fe3047758936d0ed4a1f7017138e1f0791886b88d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 150e7a0133461aa28af9e54e02709024d26ec0da1f5618f56d497c322d0fcc90 [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" "150e7a0133461aa28af9e54e02709024d26ec0da1f5618f56d497c322d0fcc90", kill_on_drop: false }` [INFO] [stderr] Compiling johnston v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `factors` [INFO] [stdout] --> src/lib.rs:108:4 [INFO] [stdout] | [INFO] [stdout] 108 | fn factors(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `prime` [INFO] [stdout] --> src/lib.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn prime(num: i32) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `power_of_two` [INFO] [stdout] --> src/lib.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn power_of_two(num: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gpf` [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn gpf(num: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "150e7a0133461aa28af9e54e02709024d26ec0da1f5618f56d497c322d0fcc90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "150e7a0133461aa28af9e54e02709024d26ec0da1f5618f56d497c322d0fcc90", kill_on_drop: false }` [INFO] [stdout] 150e7a0133461aa28af9e54e02709024d26ec0da1f5618f56d497c322d0fcc90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8112836247c6168735f00dd9e66824290c2eaa10e6975aad4b8399f26f4b3d42 [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" "8112836247c6168735f00dd9e66824290c2eaa10e6975aad4b8399f26f4b3d42", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `factors` [INFO] [stderr] --> src/lib.rs:108:4 [INFO] [stderr] | [INFO] [stderr] 108 | fn factors(num: i32) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `prime` [INFO] [stderr] --> src/lib.rs:120:4 [INFO] [stderr] | [INFO] [stderr] 120 | fn prime(num: i32) -> bool { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `power_of_two` [INFO] [stderr] --> src/lib.rs:130:4 [INFO] [stderr] | [INFO] [stderr] 130 | fn power_of_two(num: i32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gpf` [INFO] [stderr] --> src/lib.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | fn gpf(num: i32) -> i32 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/johnston-5a89efbe74b83e29 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::factors_works ... ok [INFO] [stdout] test tests::cents_works ... ok [INFO] [stdout] test tests::flatten_works ... ok [INFO] [stdout] test tests::power_of_two_works ... ok [INFO] [stdout] test tests::walk_works ... ok [INFO] [stdout] test tests::prime_works ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/smoke_test-1f33c8ab4600d148 [INFO] [stdout] test tests::gpf_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [stderr] Doc-tests johnston [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" "8112836247c6168735f00dd9e66824290c2eaa10e6975aad4b8399f26f4b3d42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8112836247c6168735f00dd9e66824290c2eaa10e6975aad4b8399f26f4b3d42", kill_on_drop: false }` [INFO] [stdout] 8112836247c6168735f00dd9e66824290c2eaa10e6975aad4b8399f26f4b3d42