[INFO] fetching crate parametrizer 1.2.0...
[INFO] testing parametrizer-1.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate parametrizer 1.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate parametrizer 1.2.0
[INFO] finished tweaking crates.io crate parametrizer 1.2.0
[INFO] tweaked toml for crates.io crate parametrizer 1.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parametrizer 1.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 890080b9f28148c3e3f74530969c87ff6b0de70b5e0e678a2aa76588e01bcae9
[INFO] running `Command { std: "docker" "start" "-a" "890080b9f28148c3e3f74530969c87ff6b0de70b5e0e678a2aa76588e01bcae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890080b9f28148c3e3f74530969c87ff6b0de70b5e0e678a2aa76588e01bcae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890080b9f28148c3e3f74530969c87ff6b0de70b5e0e678a2aa76588e01bcae9", kill_on_drop: false }`
[INFO] [stdout] 890080b9f28148c3e3f74530969c87ff6b0de70b5e0e678a2aa76588e01bcae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe72e0e446e74212811bab205a0c2924ff000900d5aa5e3b6e89a2bc07d83f18
[INFO] running `Command { std: "docker" "start" "-a" "fe72e0e446e74212811bab205a0c2924ff000900d5aa5e3b6e89a2bc07d83f18", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling parametrizer v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "fe72e0e446e74212811bab205a0c2924ff000900d5aa5e3b6e89a2bc07d83f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe72e0e446e74212811bab205a0c2924ff000900d5aa5e3b6e89a2bc07d83f18", kill_on_drop: false }`
[INFO] [stdout] fe72e0e446e74212811bab205a0c2924ff000900d5aa5e3b6e89a2bc07d83f18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76b416a8ab550e1ba8c4a817b097b4f3ba1deafcebd7006658d160546f78d803
[INFO] running `Command { std: "docker" "start" "-a" "76b416a8ab550e1ba8c4a817b097b4f3ba1deafcebd7006658d160546f78d803", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling parametrizer v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.04s
[INFO] running `Command { std: "docker" "inspect" "76b416a8ab550e1ba8c4a817b097b4f3ba1deafcebd7006658d160546f78d803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b416a8ab550e1ba8c4a817b097b4f3ba1deafcebd7006658d160546f78d803", kill_on_drop: false }`
[INFO] [stdout] 76b416a8ab550e1ba8c4a817b097b4f3ba1deafcebd7006658d160546f78d803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c9b549644123e2cfe517472d670de240b7ec23c6c2968c8a848f79532b45071
[INFO] running `Command { std: "docker" "start" "-a" "8c9b549644123e2cfe517472d670de240b7ec23c6c2968c8a848f79532b45071", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parametrizer-3c39d899d49f6a93)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test term::term_tests::test_division ... ok
[INFO] [stdout] test term::term_tests::test_identifiers ... ok
[INFO] [stdout] test term::term_tests::test_splitting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parametrizer
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new (line 232) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new (line 250) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new (line 259) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new (line 277) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new (line 218) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new (line 241) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new (line 268) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::quick_new (line 352) ... ok
[INFO] [stdout] test src/term.rs - term::parametrize_string (line 199) ... ok
[INFO] [stdout] test src/term.rs - term::create_parametrization (line 34) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new (line 287) ... ok
[INFO] [stdout] test src/term.rs - term::parametrize_string (line 190) ... ok
[INFO] [stdout] test src/lib.rs - ParametrizerFunction::new (line 162) ... ok
[INFO] [stdout] test src/term.rs - term::quick_parametrization (line 65) ... ok
[INFO] [stdout] test src/term/constantterm.rs - term::constantterm::ConstantTerm<T>::new (line 19) ... ok
[INFO] [stdout] test src/term/fractionterm.rs - term::fractionterm::FractionTerm<T>::new (line 20) ... ok
[INFO] [stdout] test src/term.rs - term::parametrize_string (line 208) ... ok
[INFO] [stdout] test src/term/functionterm.rs - term::functionterm::FunctionTerm<T>::new (line 20) ... ok
[INFO] [stdout] test src/term/piecewiseterm.rs - term::piecewiseterm::PiecewiseTerm<T>::add_part (line 49) ... ok
[INFO] [stdout] test src/term.rs - term::parametrize_string (line 235) ... ok
[INFO] [stdout] test src/term.rs - term::parametrize_string (line 245) ... ok
[INFO] [stdout] test src/term.rs - term::parametrize_string (line 217) ... ok
[INFO] [stdout] test src/term.rs - term::parametrize_string (line 256) ... ok
[INFO] [stdout] test src/term/fractionterm.rs - term::fractionterm::FractionTerm<T>::new (line 38) ... ok
[INFO] [stdout] test src/term/sequenceterm.rs - term::sequenceterm::SequenceTerm<T>::new (line 48) ... ok
[INFO] [stdout] test src/lib.rs - Parametrizer<T>::new_functions (line 315) ... ok
[INFO] [stdout] test src/term/randomterm.rs - term::randomterm::RandomTerm<T>::new (line 21) ... ok
[INFO] [stdout] test src/term/sequenceterm.rs - term::sequenceterm::SequenceTerm<T>::new (line 29) ... ok
[INFO] [stdout] test src/term/scalarterm.rs - term::scalarterm::ScalarTerm<T>::new (line 20) ... ok
[INFO] [stdout] test src/term/variableterm.rs - term::variableterm::VariableTerm::new (line 16) ... ok
[INFO] [stdout] test src/term.rs - term::parametrize_string (line 226) ... ok
[INFO] [stdout] test src/term.rs - term::quick_parametrization (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c9b549644123e2cfe517472d670de240b7ec23c6c2968c8a848f79532b45071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9b549644123e2cfe517472d670de240b7ec23c6c2968c8a848f79532b45071", kill_on_drop: false }`
[INFO] [stdout] 8c9b549644123e2cfe517472d670de240b7ec23c6c2968c8a848f79532b45071