[INFO] fetching crate minigrep_echnobas 0.1.0... [INFO] testing minigrep_echnobas-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate minigrep_echnobas 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate minigrep_echnobas 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate minigrep_echnobas 0.1.0 [INFO] finished tweaking crates.io crate minigrep_echnobas 0.1.0 [INFO] tweaked toml for crates.io crate minigrep_echnobas 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate minigrep_echnobas 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bbb0b3c29eef765fb02c5b2f7f44b4b953387d1c14af9e4b57e1e536f652ca06 [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" "bbb0b3c29eef765fb02c5b2f7f44b4b953387d1c14af9e4b57e1e536f652ca06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bbb0b3c29eef765fb02c5b2f7f44b4b953387d1c14af9e4b57e1e536f652ca06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbb0b3c29eef765fb02c5b2f7f44b4b953387d1c14af9e4b57e1e536f652ca06", kill_on_drop: false }` [INFO] [stdout] bbb0b3c29eef765fb02c5b2f7f44b4b953387d1c14af9e4b57e1e536f652ca06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f11f0bdbb08b197bc16d15193e8e13fb8365a51b12004c1e0bca5df1a17aa967 [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" "f11f0bdbb08b197bc16d15193e8e13fb8365a51b12004c1e0bca5df1a17aa967", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling minigrep_echnobas v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `matching` is never read [INFO] [stdout] --> src/lib.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut matching = Vec::new(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `matching` is never read [INFO] [stdout] --> src/lib.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut matching = Vec::new(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.92s [INFO] running `Command { std: "docker" "inspect" "f11f0bdbb08b197bc16d15193e8e13fb8365a51b12004c1e0bca5df1a17aa967", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f11f0bdbb08b197bc16d15193e8e13fb8365a51b12004c1e0bca5df1a17aa967", kill_on_drop: false }` [INFO] [stdout] f11f0bdbb08b197bc16d15193e8e13fb8365a51b12004c1e0bca5df1a17aa967 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b58c74ce19f3ac29a0282e9b626ce4a1aaf4765189626a63a277d6e24ed65fd2 [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" "b58c74ce19f3ac29a0282e9b626ce4a1aaf4765189626a63a277d6e24ed65fd2", kill_on_drop: false }` [INFO] [stderr] Compiling minigrep_echnobas v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `matching` is never read [INFO] [stdout] --> src/lib.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut matching = Vec::new(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `matching` is never read [INFO] [stdout] --> src/lib.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut matching = Vec::new(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `matching` is never read [INFO] [stdout] --> src/lib.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut matching = Vec::new(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "b58c74ce19f3ac29a0282e9b626ce4a1aaf4765189626a63a277d6e24ed65fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b58c74ce19f3ac29a0282e9b626ce4a1aaf4765189626a63a277d6e24ed65fd2", kill_on_drop: false }` [INFO] [stdout] b58c74ce19f3ac29a0282e9b626ce4a1aaf4765189626a63a277d6e24ed65fd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9eb11ad1aa2aed20224abf2282dd174031f38b70751fe46da48ff408d50bf655 [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" "9eb11ad1aa2aed20224abf2282dd174031f38b70751fe46da48ff408d50bf655", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `matching` is never read [INFO] [stderr] --> src/lib.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let mut matching = Vec::new(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `minigrep_echnobas` (lib) generated 1 warning [INFO] [stderr] warning: `minigrep_echnobas` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `minigrep_echnobas` (bin "minigrep_echnobas" test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/minigrep_echnobas-11705bcfc6c6e651) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/minigrep_echnobas-fe0574f1261b7dad) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests minigrep_echnobas [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [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; finished in 0.00s [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9eb11ad1aa2aed20224abf2282dd174031f38b70751fe46da48ff408d50bf655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eb11ad1aa2aed20224abf2282dd174031f38b70751fe46da48ff408d50bf655", kill_on_drop: false }` [INFO] [stdout] 9eb11ad1aa2aed20224abf2282dd174031f38b70751fe46da48ff408d50bf655