[INFO] fetching crate r-matrix 0.2.1...
[INFO] testing r-matrix-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate r-matrix 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate r-matrix 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r-matrix 0.2.1
[INFO] finished tweaking crates.io crate r-matrix 0.2.1
[INFO] tweaked toml for crates.io crate r-matrix 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate r-matrix 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded ncurses v5.99.0
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] [stderr]   Downloaded cc v1.0.35
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8e3cd46406cb57e16c34584728e36ff92de238a735e8f6e21f2149ff90153db
[INFO] running `Command { std: "docker" "start" "-a" "b8e3cd46406cb57e16c34584728e36ff92de238a735e8f6e21f2149ff90153db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8e3cd46406cb57e16c34584728e36ff92de238a735e8f6e21f2149ff90153db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e3cd46406cb57e16c34584728e36ff92de238a735e8f6e21f2149ff90153db", kill_on_drop: false }`
[INFO] [stdout] b8e3cd46406cb57e16c34584728e36ff92de238a735e8f6e21f2149ff90153db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebacbde48d68dce6499e9899e97c383e02de9700dd8b3e308e392697fe94f189
[INFO] running `Command { std: "docker" "start" "-a" "ebacbde48d68dce6499e9899e97c383e02de9700dd8b3e308e392697fe94f189", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling r-matrix v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.80s
[INFO] running `Command { std: "docker" "inspect" "ebacbde48d68dce6499e9899e97c383e02de9700dd8b3e308e392697fe94f189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebacbde48d68dce6499e9899e97c383e02de9700dd8b3e308e392697fe94f189", kill_on_drop: false }`
[INFO] [stdout] ebacbde48d68dce6499e9899e97c383e02de9700dd8b3e308e392697fe94f189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2ef3e43c4c94e3f263fc92e0ad2869523b2afcd9a7415cc52fa4645d50b680
[INFO] running `Command { std: "docker" "start" "-a" "ff2ef3e43c4c94e3f263fc92e0ad2869523b2afcd9a7415cc52fa4645d50b680", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling r-matrix v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "ff2ef3e43c4c94e3f263fc92e0ad2869523b2afcd9a7415cc52fa4645d50b680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2ef3e43c4c94e3f263fc92e0ad2869523b2afcd9a7415cc52fa4645d50b680", kill_on_drop: false }`
[INFO] [stdout] ff2ef3e43c4c94e3f263fc92e0ad2869523b2afcd9a7415cc52fa4645d50b680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32d086310a70bef1f897562d1b728aa49df17a916b20ee941cff40a4db03471e
[INFO] running `Command { std: "docker" "start" "-a" "32d086310a70bef1f897562d1b728aa49df17a916b20ee941cff40a4db03471e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r_matrix-44431063d0a74918)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r_matrix-c842b11cee81ca78)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r-matrix
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32d086310a70bef1f897562d1b728aa49df17a916b20ee941cff40a4db03471e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d086310a70bef1f897562d1b728aa49df17a916b20ee941cff40a4db03471e", kill_on_drop: false }`
[INFO] [stdout] 32d086310a70bef1f897562d1b728aa49df17a916b20ee941cff40a4db03471e