[INFO] cloning repository https://github.com/MDeiml/mademath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MDeiml/mademath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMDeiml%2Fmademath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMDeiml%2Fmademath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 748cc1624c08636c4c82650a5c311f86dab080f7
[INFO] testing MDeiml/mademath against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMDeiml%2Fmademath" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MDeiml/mademath on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MDeiml/mademath
[INFO] finished tweaking git repo https://github.com/MDeiml/mademath
[INFO] tweaked toml for git repo https://github.com/MDeiml/mademath written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MDeiml/mademath already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] fb48539292ed13f2164b89db8e64e38191e068634bdc31276274451d30af61a0
[INFO] running `Command { std: "docker" "start" "-a" "fb48539292ed13f2164b89db8e64e38191e068634bdc31276274451d30af61a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb48539292ed13f2164b89db8e64e38191e068634bdc31276274451d30af61a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb48539292ed13f2164b89db8e64e38191e068634bdc31276274451d30af61a0", kill_on_drop: false }`
[INFO] [stdout] fb48539292ed13f2164b89db8e64e38191e068634bdc31276274451d30af61a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7e99f91fe43a950ba971c27de193ac5b225fabb626cfdc673d8dce6566f6f3c
[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" "e7e99f91fe43a950ba971c27de193ac5b225fabb626cfdc673d8dce6566f6f3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling attomath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.67s
[INFO] running `Command { std: "docker" "inspect" "e7e99f91fe43a950ba971c27de193ac5b225fabb626cfdc673d8dce6566f6f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e99f91fe43a950ba971c27de193ac5b225fabb626cfdc673d8dce6566f6f3c", kill_on_drop: false }`
[INFO] [stdout] e7e99f91fe43a950ba971c27de193ac5b225fabb626cfdc673d8dce6566f6f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0df4ac83c6d1a581262fcde7dfba439ebdef2fbae430f25f33dae58cfba873b3
[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" "0df4ac83c6d1a581262fcde7dfba439ebdef2fbae430f25f33dae58cfba873b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling attomath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "0df4ac83c6d1a581262fcde7dfba439ebdef2fbae430f25f33dae58cfba873b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df4ac83c6d1a581262fcde7dfba439ebdef2fbae430f25f33dae58cfba873b3", kill_on_drop: false }`
[INFO] [stdout] 0df4ac83c6d1a581262fcde7dfba439ebdef2fbae430f25f33dae58cfba873b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5d5a6a8099d72f1f153e703e9e1bf8cee5f732dc5bd5c124a9ed67fe46dcb74
[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" "d5d5a6a8099d72f1f153e703e9e1bf8cee5f732dc5bd5c124a9ed67fe46dcb74", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/attomath-55d815b4dcf03599
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test theorem::test::serde ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests attomath
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/dvr.rs - dvr::DVR::standardize (line 154) ... ok
[INFO] [stdout] test src/expression.rs - expression::WholeSubstitution::insert (line 346) ... ok
[INFO] [stdout] test src/expression.rs - expression::is_operator (line 250) ... ok
[INFO] [stdout] test src/dvr.rs - dvr::DVR::new (line 58) ... ok
[INFO] [stdout] test src/statement.rs - statement::Statement<T>::unify (line 41) ... ok
[INFO] [stdout] test src/expression.rs - expression::Expression<T>::subexpression (line 96) ... ok
[INFO] [stdout] test src/expression.rs - expression::Substitution::substitution_opt (line 381) ... ok
[INFO] [stdout] test src/dvr.rs - dvr::DVR::substitute (line 90) ... ok
[INFO] [stdout] test src/formatter.rs - formatter::StandardFormatter (line 10) ... ok
[INFO] [stdout] test src/expression.rs - expression::Expression<T>::substitute (line 195) ... ok
[INFO] [stdout] test src/expression.rs - expression::Expression<T>::unify (line 123) ... ok
[INFO] [stdout] test src/expression.rs - expression::Expression<T>::standardize (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5d5a6a8099d72f1f153e703e9e1bf8cee5f732dc5bd5c124a9ed67fe46dcb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d5a6a8099d72f1f153e703e9e1bf8cee5f732dc5bd5c124a9ed67fe46dcb74", kill_on_drop: false }`
[INFO] [stdout] d5d5a6a8099d72f1f153e703e9e1bf8cee5f732dc5bd5c124a9ed67fe46dcb74