[INFO] cloning repository https://github.com/varzac/rust_collections [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varzac/rust_collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db1285199d9300d32cdd25281583753dc1de814d [INFO] testing varzac/rust_collections against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/varzac/rust_collections on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/varzac/rust_collections [INFO] finished tweaking git repo https://github.com/varzac/rust_collections [INFO] tweaked toml for git repo https://github.com/varzac/rust_collections written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/varzac/rust_collections already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: path `/workspace/builds/worker-8/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee6be580de8302dad70ccb800db3cd17f81a7ad6d8a5c6d8fb1e8f8d3cabab92 [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" "ee6be580de8302dad70ccb800db3cd17f81a7ad6d8a5c6d8fb1e8f8d3cabab92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee6be580de8302dad70ccb800db3cd17f81a7ad6d8a5c6d8fb1e8f8d3cabab92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee6be580de8302dad70ccb800db3cd17f81a7ad6d8a5c6d8fb1e8f8d3cabab92", kill_on_drop: false }` [INFO] [stdout] ee6be580de8302dad70ccb800db3cd17f81a7ad6d8a5c6d8fb1e8f8d3cabab92 [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" "+beta-2021-01-01" "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] 523b9d83ae44dfd5377d03b21df7a4f0a96235f5524fe9deec0520b96dc8057a [INFO] running `Command { std: "docker" "start" "-a" "523b9d83ae44dfd5377d03b21df7a4f0a96235f5524fe9deec0520b96dc8057a", kill_on_drop: false }` [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] Compiling linked_list v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `delete_val` [INFO] [stdout] --> src/linked_list.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn delete_val(&self, val: &T) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_val` [INFO] [stdout] --> src/linked_list.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | fn insert_val(&self, val: T) -> LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/linked_list.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn length(&self) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find` [INFO] [stdout] --> src/linked_list.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | fn find(&self, val: T) -> Option { [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 0.81s [INFO] running `Command { std: "docker" "inspect" "523b9d83ae44dfd5377d03b21df7a4f0a96235f5524fe9deec0520b96dc8057a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "523b9d83ae44dfd5377d03b21df7a4f0a96235f5524fe9deec0520b96dc8057a", kill_on_drop: false }` [INFO] [stdout] 523b9d83ae44dfd5377d03b21df7a4f0a96235f5524fe9deec0520b96dc8057a [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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 658d99f0724fc235f46578e7e14aa5890eb7f079d4f10a0c08c100fba4439d94 [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" "658d99f0724fc235f46578e7e14aa5890eb7f079d4f10a0c08c100fba4439d94", kill_on_drop: false }` [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] Compiling linked_list v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "658d99f0724fc235f46578e7e14aa5890eb7f079d4f10a0c08c100fba4439d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "658d99f0724fc235f46578e7e14aa5890eb7f079d4f10a0c08c100fba4439d94", kill_on_drop: false }` [INFO] [stdout] 658d99f0724fc235f46578e7e14aa5890eb7f079d4f10a0c08c100fba4439d94 [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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 46e24c360d1c9c1446589becb500c52adcf7ffca6508d7c4da5ba31c5959f50a [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" "46e24c360d1c9c1446589becb500c52adcf7ffca6508d7c4da5ba31c5959f50a", kill_on_drop: false }` [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/linked_list-903cf97a36bed8df [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test test_clone ... ok [INFO] [stdout] test test_delete_found ... ok [INFO] [stdout] test test_delete_not_found ... ok [INFO] [stdout] test test_find_exists ... ok [INFO] [stdout] test test_find_not_exists ... ok [INFO] [stdout] test test_get ... ok [INFO] [stdout] test test_length ... ok [INFO] [stdout] test test_eq ... ok [INFO] [stdout] test test_delete_only_element ... ok [INFO] [stdout] test test_insert_val ... ok [INFO] [stdout] test test_get_oob ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "46e24c360d1c9c1446589becb500c52adcf7ffca6508d7c4da5ba31c5959f50a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46e24c360d1c9c1446589becb500c52adcf7ffca6508d7c4da5ba31c5959f50a", kill_on_drop: false }` [INFO] [stdout] 46e24c360d1c9c1446589becb500c52adcf7ffca6508d7c4da5ba31c5959f50a