[INFO] fetching crate free-algebra 0.1.0... [INFO] testing free-algebra-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate free-algebra 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate free-algebra 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate free-algebra 0.1.0 [INFO] finished tweaking crates.io crate free-algebra 0.1.0 [INFO] tweaked toml for crates.io crate free-algebra 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1fe659a364dd0358fa3616793a1bd00770a4e16775a09f5c25bfabd5b750089f [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" "1fe659a364dd0358fa3616793a1bd00770a4e16775a09f5c25bfabd5b750089f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fe659a364dd0358fa3616793a1bd00770a4e16775a09f5c25bfabd5b750089f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fe659a364dd0358fa3616793a1bd00770a4e16775a09f5c25bfabd5b750089f", kill_on_drop: false }` [INFO] [stdout] 1fe659a364dd0358fa3616793a1bd00770a4e16775a09f5c25bfabd5b750089f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2641babfd9162fb6c03329f7b414aae49f6f47fd2b574e1d9174a90011d4f8e8 [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" "2641babfd9162fb6c03329f7b414aae49f6f47fd2b574e1d9174a90011d4f8e8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling maths-traits v0.2.1 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Compiling free-algebra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 77 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.82s [INFO] running `Command { std: "docker" "inspect" "2641babfd9162fb6c03329f7b414aae49f6f47fd2b574e1d9174a90011d4f8e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2641babfd9162fb6c03329f7b414aae49f6f47fd2b574e1d9174a90011d4f8e8", kill_on_drop: false }` [INFO] [stdout] 2641babfd9162fb6c03329f7b414aae49f6f47fd2b574e1d9174a90011d4f8e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 977dc29b1529367b8d0733bf61005952e31f2932f7e06fba71c8b569773f0653 [INFO] running `Command { std: "docker" "start" "-a" "977dc29b1529367b8d0733bf61005952e31f2932f7e06fba71c8b569773f0653", kill_on_drop: false }` [INFO] [stderr] Compiling free-algebra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 77 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 77 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `Command { std: "docker" "inspect" "977dc29b1529367b8d0733bf61005952e31f2932f7e06fba71c8b569773f0653", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "977dc29b1529367b8d0733bf61005952e31f2932f7e06fba71c8b569773f0653", kill_on_drop: false }` [INFO] [stdout] 977dc29b1529367b8d0733bf61005952e31f2932f7e06fba71c8b569773f0653 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] 2af88f9478e23b647e82036865b14b1d0c125d0f3c02c9500344b34a7d32cebb [INFO] running `Command { std: "docker" "start" "-a" "2af88f9478e23b647e82036865b14b1d0c125d0f3c02c9500344b34a7d32cebb", kill_on_drop: false }` [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:77:12 [INFO] [stderr] | [INFO] [stderr] 77 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:77:12 [INFO] [stderr] | [INFO] [stderr] 77 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/free_algebra-a250a84ab061de5b [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 free-algebra [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:77:12 [INFO] [stderr] | [INFO] [stderr] 77 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 26 tests [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString (line 115) ... ok [INFO] [stdout] test src/lib.rs - (line 21) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString (line 124) ... ok [INFO] [stdout] test src/module.rs - module::ModuleString::len (line 236) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString (line 105) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString::commutator (line 321) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString::commutator (line 337) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString (line 96) ... ok [INFO] [stdout] test src/module.rs - module::ModuleString::get (line 279) ... ok [INFO] [stdout] test src/module.rs - module::ModuleString::iter_mut (line 303) ... ok [INFO] [stdout] test src/module.rs - module::ModuleString::get_ref (line 258) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString::iter (line 254) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString::len (line 236) ... ok [INFO] [stdout] test src/module.rs - module::ModuleString (line 75) ... ok [INFO] [stdout] test src/specifics/free_group.rs - specifics::free_group::FreeInv::is_inv (line 100) ... ok [INFO] [stdout] test src/module.rs - module::ModuleString::commutator (line 329) ... ok [INFO] [stdout] test src/specifics/free_group.rs - specifics::free_group::FreeInv::is_id (line 114) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString::reverse (line 302) ... ok [INFO] [stdout] test src/module.rs - module::ModuleString::commutator (line 352) ... ok [INFO] [stdout] test src/specifics/free_monoid.rs - specifics::free_monoid::FreeMonoid (line 11) ... ok [INFO] [stdout] test src/monoid.rs - monoid::MonoidalString::iter_mut (line 277) ... ok [INFO] [stdout] test src/specifics/free_group.rs - specifics::free_group::FreeGroup (line 10) ... ok [INFO] [stdout] test src/specifics/free_pow.rs - specifics::free_pow::FreePowMonoid (line 11) ... ok [INFO] [stdout] test src/specifics/mod.rs - specifics::FreeModule (line 92) ... ok [INFO] [stdout] test src/specifics/mod.rs - specifics::FreeAlgebra (line 120) ... ok [INFO] [stdout] test src/specifics/mod.rs - specifics::MonoidRing (line 40) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2af88f9478e23b647e82036865b14b1d0c125d0f3c02c9500344b34a7d32cebb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2af88f9478e23b647e82036865b14b1d0c125d0f3c02c9500344b34a7d32cebb", kill_on_drop: false }` [INFO] [stdout] 2af88f9478e23b647e82036865b14b1d0c125d0f3c02c9500344b34a7d32cebb