[INFO] cloning repository https://github.com/oknozor/qr_code_web
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oknozor/qr_code_web" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foknozor%2Fqr_code_web", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foknozor%2Fqr_code_web'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8af327484164aa3a0215b5847d3139844d945bb
[INFO] testing oknozor/qr_code_web against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foknozor%2Fqr_code_web" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oknozor/qr_code_web 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 git repo https://github.com/oknozor/qr_code_web
[INFO] finished tweaking git repo https://github.com/oknozor/qr_code_web
[INFO] tweaked toml for git repo https://github.com/oknozor/qr_code_web written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/oknozor/qr_code_web 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 qrcode v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c47076501b3d2f51d7e8849b26cd953d9ee5530dadb9ffba0c77ce3c75acd225
[INFO] running `Command { std: "docker" "start" "-a" "c47076501b3d2f51d7e8849b26cd953d9ee5530dadb9ffba0c77ce3c75acd225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47076501b3d2f51d7e8849b26cd953d9ee5530dadb9ffba0c77ce3c75acd225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47076501b3d2f51d7e8849b26cd953d9ee5530dadb9ffba0c77ce3c75acd225", kill_on_drop: false }`
[INFO] [stdout] c47076501b3d2f51d7e8849b26cd953d9ee5530dadb9ffba0c77ce3c75acd225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 974b300cc186a772385c0a6ff85a8a207644792e5561203b0455f9c9c03a423c
[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" "974b300cc186a772385c0a6ff85a8a207644792e5561203b0455f9c9c03a423c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling checked_int_cast v1.0.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling cookie v0.11.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_http-0.4.2/src/parse/uri/parser.rs:119:34
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let path_and_query = pear_try!(path_and_query(is_pchar));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: called `Option::unwrap()` on a `None` value
[INFO] [stdout]     = note: this error originates in the macro `pear_try` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rocket_http` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "974b300cc186a772385c0a6ff85a8a207644792e5561203b0455f9c9c03a423c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974b300cc186a772385c0a6ff85a8a207644792e5561203b0455f9c9c03a423c", kill_on_drop: false }`
[INFO] [stdout] 974b300cc186a772385c0a6ff85a8a207644792e5561203b0455f9c9c03a423c