[INFO] fetching crate galois_2p8 0.1.1...
[INFO] testing galois_2p8-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate galois_2p8 0.1.1 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate galois_2p8 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate galois_2p8 0.1.1
[INFO] finished tweaking crates.io crate galois_2p8 0.1.1
[INFO] tweaked toml for crates.io crate galois_2p8 0.1.1 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded proptest v0.8.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 492fa48893a874baf45ef10e850950bee9e6e7088d2969bdd45033cb93dcc82e
[INFO] running `Command { std: "docker" "start" "-a" "492fa48893a874baf45ef10e850950bee9e6e7088d2969bdd45033cb93dcc82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "492fa48893a874baf45ef10e850950bee9e6e7088d2969bdd45033cb93dcc82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492fa48893a874baf45ef10e850950bee9e6e7088d2969bdd45033cb93dcc82e", kill_on_drop: false }`
[INFO] [stdout] 492fa48893a874baf45ef10e850950bee9e6e7088d2969bdd45033cb93dcc82e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41bde20d9efe8b92819fa34a6c7e0a205d4cc7e29ae2625948c4a4269c25d52b
[INFO] running `Command { std: "docker" "start" "-a" "41bde20d9efe8b92819fa34a6c7e0a205d4cc7e29ae2625948c4a4269c25d52b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling galois_2p8 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/field.rs:1071:40
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("Polynomial {:?} is not primitive")
[INFO] [stdout]      |                                        ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("Polynomial {:?} is not primitive", ...)
[INFO] [stdout]      |                                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("{}", "Polynomial {:?} is not primitive")
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "41bde20d9efe8b92819fa34a6c7e0a205d4cc7e29ae2625948c4a4269c25d52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41bde20d9efe8b92819fa34a6c7e0a205d4cc7e29ae2625948c4a4269c25d52b", kill_on_drop: false }`
[INFO] [stdout] 41bde20d9efe8b92819fa34a6c7e0a205d4cc7e29ae2625948c4a4269c25d52b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d9418e764c1b853cf32a169b2865034a322c18f68bdd547f4918619eda5da2a
[INFO] running `Command { std: "docker" "start" "-a" "8d9418e764c1b853cf32a169b2865034a322c18f68bdd547f4918619eda5da2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/field.rs:1071:40
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("Polynomial {:?} is not primitive")
[INFO] [stdout]      |                                        ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("Polynomial {:?} is not primitive", ...)
[INFO] [stdout]      |                                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("{}", "Polynomial {:?} is not primitive")
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling galois_2p8 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/field.rs:1071:40
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("Polynomial {:?} is not primitive")
[INFO] [stdout]      |                                        ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("Polynomial {:?} is not primitive", ...)
[INFO] [stdout]      |                                                              ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1071 |             None => panic!("{}", "Polynomial {:?} is not primitive")
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "8d9418e764c1b853cf32a169b2865034a322c18f68bdd547f4918619eda5da2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9418e764c1b853cf32a169b2865034a322c18f68bdd547f4918619eda5da2a", kill_on_drop: false }`
[INFO] [stdout] 8d9418e764c1b853cf32a169b2865034a322c18f68bdd547f4918619eda5da2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf15afa00e2a8d3450aa21f74a9ee4c630bdcd009405391ed1840a2e598bcb9d
[INFO] running `Command { std: "docker" "start" "-a" "bf15afa00e2a8d3450aa21f74a9ee4c630bdcd009405391ed1840a2e598bcb9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stdout] running 24 tests
[INFO] [stderr]     --> src/field.rs:1071:40
[INFO] [stderr]      |
[INFO] [stderr] 1071 |             None => panic!("Polynomial {:?} is not primitive")
[INFO] [stderr]      |                                        ^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]      = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]      |
[INFO] [stderr] 1071 |             None => panic!("Polynomial {:?} is not primitive", ...)
[INFO] [stderr]      |                                                              ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]      |
[INFO] [stderr] 1071 |             None => panic!("{}", "Polynomial {:?} is not primitive")
[INFO] [stderr]      |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `galois_2p8` (lib) generated 1 warning
[INFO] [stderr] warning: `galois_2p8` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/galois_2p8-68b4881abfcdd5b2)
[INFO] [stdout] test field_tests::test_field_inverses_primitive ... ok
[INFO] [stdout] test field_tests::test_field_inverses_general ... ok
[INFO] [stdout] test field_tests::test_primitive_general_equiv ... ok
[INFO] [stdout] test field_tests::test_field_commutivity ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_scaled_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_multiword_len ... ok
[INFO] [stdout] test field_multiword_tests::test_add_ptr_len ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_add_multiword_len ... ok
[INFO] [stdout] test field_multiword_tests::test_div_ptr_len ... ok
[INFO] [stdout] test field_multiword_tests::test_div_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_mult_ptr_len ... ok
[INFO] [stdout] test field_multiword_tests::test_add_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_scaled_multiword_len ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_ptr_len ... ok
[INFO] [stdout] test field_multiword_tests::test_add_scaled_multiword_len ... ok
[INFO] [stdout] test field_multiword_tests::test_mult_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_add_scaled_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_add_ptr_scaled_len ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_ptr_scaled_len ... ok
[INFO] [stdout] test field_tests::test_primitive_slow_equiv ... ok
[INFO] [stdout] test field_tests::test_general_slow_equiv ... ok
[INFO] [stdout] test field_tests::test_field_associativity has been running for over 60 seconds
[INFO] [stdout] test field_tests::test_field_distributivity has been running for over 60 seconds
[INFO] [stdout] test field_tests::test_field_distributivity ... ok
[INFO] [stdout] test field_tests::test_field_associativity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 161.28s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests galois_2p8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/field.rs - field::IrreducablePolynomial::is_primitive (line 200) ... ok
[INFO] [stdout] test src/field.rs - field::PRIMITIVES (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf15afa00e2a8d3450aa21f74a9ee4c630bdcd009405391ed1840a2e598bcb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf15afa00e2a8d3450aa21f74a9ee4c630bdcd009405391ed1840a2e598bcb9d", kill_on_drop: false }`
[INFO] [stdout] bf15afa00e2a8d3450aa21f74a9ee4c630bdcd009405391ed1840a2e598bcb9d