[INFO] fetching crate galois_2p8 0.1.1...
[INFO] testing galois_2p8-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate galois_2p8 0.1.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate galois_2p8 0.1.1 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 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-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 429973f1fb0752a00eb5ef69cc18b26e0ac2d47c4003abdfa8b745f11a21759f
[INFO] running `Command { std: "docker" "start" "-a" "429973f1fb0752a00eb5ef69cc18b26e0ac2d47c4003abdfa8b745f11a21759f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "429973f1fb0752a00eb5ef69cc18b26e0ac2d47c4003abdfa8b745f11a21759f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429973f1fb0752a00eb5ef69cc18b26e0ac2d47c4003abdfa8b745f11a21759f", kill_on_drop: false }`
[INFO] [stdout] 429973f1fb0752a00eb5ef69cc18b26e0ac2d47c4003abdfa8b745f11a21759f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 21e999de1f80ed1b420672ce3fc26d0ef4d84414b67e8e1082fefe6f95c349e7
[INFO] running `Command { std: "docker" "start" "-a" "21e999de1f80ed1b420672ce3fc26d0ef4d84414b67e8e1082fefe6f95c349e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.83s
[INFO] running `Command { std: "docker" "inspect" "21e999de1f80ed1b420672ce3fc26d0ef4d84414b67e8e1082fefe6f95c349e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e999de1f80ed1b420672ce3fc26d0ef4d84414b67e8e1082fefe6f95c349e7", kill_on_drop: false }`
[INFO] [stdout] 21e999de1f80ed1b420672ce3fc26d0ef4d84414b67e8e1082fefe6f95c349e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 2becf165188f5169ed1896a8f8c05e842c0b27871e1aa21f572acd528256f0c3
[INFO] running `Command { std: "docker" "start" "-a" "2becf165188f5169ed1896a8f8c05e842c0b27871e1aa21f572acd528256f0c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[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 getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[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 15.40s
[INFO] running `Command { std: "docker" "inspect" "2becf165188f5169ed1896a8f8c05e842c0b27871e1aa21f572acd528256f0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2becf165188f5169ed1896a8f8c05e842c0b27871e1aa21f572acd528256f0c3", kill_on_drop: false }`
[INFO] [stdout] 2becf165188f5169ed1896a8f8c05e842c0b27871e1aa21f572acd528256f0c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 01b82c38733293ee37960424b0c3eeb24d1adfb49ffed6105c771bd1654cc3a4
[INFO] running `Command { std: "docker" "start" "-a" "01b82c38733293ee37960424b0c3eeb24d1adfb49ffed6105c771bd1654cc3a4", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[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 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/galois_2p8-788412c3e792962f)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test field_tests::test_field_inverses_primitive ... ok
[INFO] [stdout] test field_tests::test_primitive_general_equiv ... ok
[INFO] [stdout] test field_tests::test_field_inverses_general ... ok
[INFO] [stdout] test field_tests::test_field_commutivity ... ok
[INFO] [stdout] test field_multiword_tests::test_add_multiword_len ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_scaled_multiword_len ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_multiword_len ... ok
[INFO] [stdout] test field_multiword_tests::test_add_scaled_multiword_len ... ok
[INFO] [stdout] test field_multiword_tests::test_add_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_div_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_mult_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_ptr_len ... ok
[INFO] [stdout] test field_multiword_tests::test_sub_scaled_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_add_scaled_multiword ... ok
[INFO] [stdout] test field_multiword_tests::test_div_ptr_len ... ok
[INFO] [stdout] test field_multiword_tests::test_mult_ptr_len ... ok
[INFO] [stdout] test field_multiword_tests::test_add_ptr_scaled_len ... ok
[INFO] [stdout] test field_multiword_tests::test_add_ptr_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 162.42s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests galois_2p8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/field.rs - field::PRIMITIVES (line 132) ... ok
[INFO] [stdout] test src/field.rs - field::IrreducablePolynomial::is_primitive (line 200) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01b82c38733293ee37960424b0c3eeb24d1adfb49ffed6105c771bd1654cc3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b82c38733293ee37960424b0c3eeb24d1adfb49ffed6105c771bd1654cc3a4", kill_on_drop: false }`
[INFO] [stdout] 01b82c38733293ee37960424b0c3eeb24d1adfb49ffed6105c771bd1654cc3a4