[INFO] cloning repository https://github.com/rphmeier/shamir_sharing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rphmeier/shamir_sharing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frphmeier%2Fshamir_sharing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frphmeier%2Fshamir_sharing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5714c399123ef015c225df1a978b36326addc937
[INFO] testing rphmeier/shamir_sharing against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frphmeier%2Fshamir_sharing" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rphmeier/shamir_sharing on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rphmeier/shamir_sharing
[INFO] finished tweaking git repo https://github.com/rphmeier/shamir_sharing
[INFO] tweaked toml for git repo https://github.com/rphmeier/shamir_sharing written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rphmeier/shamir_sharing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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 num-rational v0.1.40
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.21
[INFO] [stderr]   Downloaded clap v2.26.2
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded textwrap v0.8.0
[INFO] [stderr]   Downloaded serde_derive v1.0.21
[INFO] [stderr]   Downloaded serde_json v1.0.6
[INFO] [stderr]   Downloaded serde_derive_internals v0.17.0
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 271aaf3f9d5aa2764896c3aa2d7219a9bd04acfbabcec74e3b0551a5fda61992
[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" "271aaf3f9d5aa2764896c3aa2d7219a9bd04acfbabcec74e3b0551a5fda61992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271aaf3f9d5aa2764896c3aa2d7219a9bd04acfbabcec74e3b0551a5fda61992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271aaf3f9d5aa2764896c3aa2d7219a9bd04acfbabcec74e3b0551a5fda61992", kill_on_drop: false }`
[INFO] [stdout] 271aaf3f9d5aa2764896c3aa2d7219a9bd04acfbabcec74e3b0551a5fda61992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] c3e194ac7ac5e05e76ce1b5e43b10d9853ac07caa82a7048ac3bb5316d034011
[INFO] running `Command { std: "docker" "start" "-a" "c3e194ac7ac5e05e76ce1b5e43b10d9853ac07caa82a7048ac3bb5316d034011", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling serde v1.0.21
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling serde_json v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling shamir-sharing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/field.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / /// This module exports two items: a large prime number `PRIME` and the `Value` type, which are members of
[INFO] [stdout] 8 | | /// the finite field Z / PRIME*Z
[INFO] [stdout]   | |_-------------------------------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.42s
[INFO] running `Command { std: "docker" "inspect" "c3e194ac7ac5e05e76ce1b5e43b10d9853ac07caa82a7048ac3bb5316d034011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e194ac7ac5e05e76ce1b5e43b10d9853ac07caa82a7048ac3bb5316d034011", kill_on_drop: false }`
[INFO] [stdout] c3e194ac7ac5e05e76ce1b5e43b10d9853ac07caa82a7048ac3bb5316d034011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f15a1f61211a05ec82c5a88cf4c296701f2320fec06d1c0a43f03897c514097
[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" "7f15a1f61211a05ec82c5a88cf4c296701f2320fec06d1c0a43f03897c514097", kill_on_drop: false }`
[INFO] [stderr]    Compiling shamir-sharing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/field.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / /// This module exports two items: a large prime number `PRIME` and the `Value` type, which are members of
[INFO] [stdout] 8 | | /// the finite field Z / PRIME*Z
[INFO] [stdout]   | |_-------------------------------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "7f15a1f61211a05ec82c5a88cf4c296701f2320fec06d1c0a43f03897c514097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f15a1f61211a05ec82c5a88cf4c296701f2320fec06d1c0a43f03897c514097", kill_on_drop: false }`
[INFO] [stdout] 7f15a1f61211a05ec82c5a88cf4c296701f2320fec06d1c0a43f03897c514097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80a2893fa76e79b60d09dfa4b0cdad2dabbc4955dda9f1b3d36efa6b2b4823b9
[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" "80a2893fa76e79b60d09dfa4b0cdad2dabbc4955dda9f1b3d36efa6b2b4823b9", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/field.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | / /// This module exports two items: a large prime number `PRIME` and the `Value` type, which are members of
[INFO] [stderr] 8 | | /// the finite field Z / PRIME*Z
[INFO] [stderr]   | |_-------------------------------^
[INFO] [stderr]   |   |
[INFO] [stderr]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: `shamir-sharing` (bin "shamir-sharing" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shamir_sharing-81a44aeaa38ad1a7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test field::tests::sub_wraparound ... ok
[INFO] [stdout] test field::tests::prime_order ... ok
[INFO] [stdout] test field::tests::mod_inv ... ok
[INFO] [stdout] test field::tests::division ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80a2893fa76e79b60d09dfa4b0cdad2dabbc4955dda9f1b3d36efa6b2b4823b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a2893fa76e79b60d09dfa4b0cdad2dabbc4955dda9f1b3d36efa6b2b4823b9", kill_on_drop: false }`
[INFO] [stdout] 80a2893fa76e79b60d09dfa4b0cdad2dabbc4955dda9f1b3d36efa6b2b4823b9