[INFO] cloning repository https://github.com/seahorse-byte/ephemeral_spaces
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seahorse-byte/ephemeral_spaces" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseahorse-byte%2Fephemeral_spaces", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseahorse-byte%2Fephemeral_spaces'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b0243c2f7e31c1b36a414d21387cb811809b1cb
[INFO] checking seahorse-byte/ephemeral_spaces against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseahorse-byte%2Fephemeral_spaces" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/seahorse-byte/ephemeral_spaces
[INFO] finished tweaking git repo https://github.com/seahorse-byte/ephemeral_spaces
[INFO] tweaked toml for git repo https://github.com/seahorse-byte/ephemeral_spaces written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seahorse-byte/ephemeral_spaces on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seahorse-byte/ephemeral_spaces already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75c8502704940eacd137b7157efed050a68cb1330d71769b8c76b2f4d2941aa
[INFO] running `Command { std: "docker" "start" "-a" "b75c8502704940eacd137b7157efed050a68cb1330d71769b8c76b2f4d2941aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75c8502704940eacd137b7157efed050a68cb1330d71769b8c76b2f4d2941aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75c8502704940eacd137b7157efed050a68cb1330d71769b8c76b2f4d2941aa", kill_on_drop: false }`
[INFO] [stdout] b75c8502704940eacd137b7157efed050a68cb1330d71769b8c76b2f4d2941aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c9a5b356a2a4be7f4a648f90b171d471f1d9131eccdf5289d2a24b10ff4fe6
[INFO] running `Command { std: "docker" "start" "-a" "c1c9a5b356a2a4be7f4a648f90b171d471f1d9131eccdf5289d2a24b10ff4fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
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[INFO] [stderr]    Compiling manganis-macro v0.6.2
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[INFO] [stderr]     Checking ephemeral_hub v0.2.1 (/opt/rustwide/workdir/ephemeral_cli)
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[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> ephemeral_web/src/main.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | #[derive(Routable, Clone, PartialEq)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `Routable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ephemeral_web` (bin "ephemeral_web" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> ephemeral_web/src/main.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | #[derive(Routable, Clone, PartialEq)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `Routable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ephemeral_web` (bin "ephemeral_web") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c1c9a5b356a2a4be7f4a648f90b171d471f1d9131eccdf5289d2a24b10ff4fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c9a5b356a2a4be7f4a648f90b171d471f1d9131eccdf5289d2a24b10ff4fe6", kill_on_drop: false }`
[INFO] [stdout] c1c9a5b356a2a4be7f4a648f90b171d471f1d9131eccdf5289d2a24b10ff4fe6