[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] checking scattenlaeufer/matrixapirs against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscattenlaeufer%2Fmatrixapirs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scattenlaeufer/matrixapirs on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86ee8575f55c0579a6c83a65890494571ae7f12c05659c5dff67d48c2ec3fe4d
[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" "86ee8575f55c0579a6c83a65890494571ae7f12c05659c5dff67d48c2ec3fe4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86ee8575f55c0579a6c83a65890494571ae7f12c05659c5dff67d48c2ec3fe4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ee8575f55c0579a6c83a65890494571ae7f12c05659c5dff67d48c2ec3fe4d", kill_on_drop: false }`
[INFO] [stdout] 86ee8575f55c0579a6c83a65890494571ae7f12c05659c5dff67d48c2ec3fe4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--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] f7d2f646b164097de0e68349eed976d2bde2b54f34f98ed7ad2b5946b468392c
[INFO] running `Command { std: "docker" "start" "-a" "f7d2f646b164097de0e68349eed976d2bde2b54f34f98ed7ad2b5946b468392c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking 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 dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "f7d2f646b164097de0e68349eed976d2bde2b54f34f98ed7ad2b5946b468392c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d2f646b164097de0e68349eed976d2bde2b54f34f98ed7ad2b5946b468392c", kill_on_drop: false }`
[INFO] [stdout] f7d2f646b164097de0e68349eed976d2bde2b54f34f98ed7ad2b5946b468392c