[INFO] cloning repository https://github.com/scattenlaeufer/matrixapirs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scattenlaeufer/matrixapirs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscattenlaeufer%2Fmatrixapirs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscattenlaeufer%2Fmatrixapirs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bce998aa87c92d24a952ef9c4643cbb844cf5899
[INFO] testing scattenlaeufer/matrixapirs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscattenlaeufer%2Fmatrixapirs" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scattenlaeufer/matrixapirs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scattenlaeufer/matrixapirs
[INFO] finished tweaking git repo https://github.com/scattenlaeufer/matrixapirs
[INFO] tweaked toml for git repo https://github.com/scattenlaeufer/matrixapirs written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/scattenlaeufer/matrixapirs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b88fae92cab6c7b00a033a9a343534b8f3b2990da7a395b2b3569c282faccec
[INFO] running `Command { std: "docker" "start" "-a" "6b88fae92cab6c7b00a033a9a343534b8f3b2990da7a395b2b3569c282faccec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b88fae92cab6c7b00a033a9a343534b8f3b2990da7a395b2b3569c282faccec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b88fae92cab6c7b00a033a9a343534b8f3b2990da7a395b2b3569c282faccec", kill_on_drop: false }`
[INFO] [stdout] 6b88fae92cab6c7b00a033a9a343534b8f3b2990da7a395b2b3569c282faccec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b181c58b0716db33064b0d4f55f1b7b8ef3042abdcf0f232db332f412a050956
[INFO] running `Command { std: "docker" "start" "-a" "b181c58b0716db33064b0d4f55f1b7b8ef3042abdcf0f232db332f412a050956", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling tracing-core v0.1.15
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.7
[INFO] [stderr]    Compiling matrixapi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]    --> src/lib.rs:274:5
[INFO] [stdout]     |
[INFO] [stdout] 274 |     json: bool,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "b181c58b0716db33064b0d4f55f1b7b8ef3042abdcf0f232db332f412a050956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b181c58b0716db33064b0d4f55f1b7b8ef3042abdcf0f232db332f412a050956", kill_on_drop: false }`
[INFO] [stdout] b181c58b0716db33064b0d4f55f1b7b8ef3042abdcf0f232db332f412a050956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e90661d05301d08e2027d7e380f693cc61c4179c887d98840d4066cc71952d8d
[INFO] running `Command { std: "docker" "start" "-a" "e90661d05301d08e2027d7e380f693cc61c4179c887d98840d4066cc71952d8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrixapi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]    --> src/lib.rs:274:5
[INFO] [stdout]     |
[INFO] [stdout] 274 |     json: bool,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]    --> src/lib.rs:274:5
[INFO] [stdout]     |
[INFO] [stdout] 274 |     json: bool,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 39.79s
[INFO] running `Command { std: "docker" "inspect" "e90661d05301d08e2027d7e380f693cc61c4179c887d98840d4066cc71952d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90661d05301d08e2027d7e380f693cc61c4179c887d98840d4066cc71952d8d", kill_on_drop: false }`
[INFO] [stdout] e90661d05301d08e2027d7e380f693cc61c4179c887d98840d4066cc71952d8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5276c9e8627c52f04af220b44bef617d24b1acc6537e9a346e3dc5abcbec652c
[INFO] running `Command { std: "docker" "start" "-a" "5276c9e8627c52f04af220b44bef617d24b1acc6537e9a346e3dc5abcbec652c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]    --> src/lib.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     json: bool,
[INFO] [stderr]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `matrixapi` (lib) generated 1 warning
[INFO] [stderr] warning: `matrixapi` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrixapi-2547cecb15066272)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrixapi-a2612b73a9808701)
[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 matrixapi
[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] [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" "5276c9e8627c52f04af220b44bef617d24b1acc6537e9a346e3dc5abcbec652c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5276c9e8627c52f04af220b44bef617d24b1acc6537e9a346e3dc5abcbec652c", kill_on_drop: false }`
[INFO] [stdout] 5276c9e8627c52f04af220b44bef617d24b1acc6537e9a346e3dc5abcbec652c