[INFO] cloning repository https://github.com/pascalharp/serenity_modal_testing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pascalharp/serenity_modal_testing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpascalharp%2Fserenity_modal_testing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpascalharp%2Fserenity_modal_testing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35da9ed4c050cb83dc1de1f4a750c512e9208f2a
[INFO] checking pascalharp/serenity_modal_testing against master#eb10639928a2781cf0a12440007fbcc1e3a6888f for pr-127827-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpascalharp%2Fserenity_modal_testing" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pascalharp/serenity_modal_testing on toolchain eb10639928a2781cf0a12440007fbcc1e3a6888f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pascalharp/serenity_modal_testing
[INFO] finished tweaking git repo https://github.com/pascalharp/serenity_modal_testing
[INFO] tweaked toml for git repo https://github.com/pascalharp/serenity_modal_testing written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pascalharp/serenity_modal_testing 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" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/pascalharp/serenity`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded tracing v0.1.30
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.29
[INFO] [stderr]   Downloaded tokio-rustls v0.23.2
[INFO] [stderr]   Downloaded reqwest v0.11.9
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded hyper v0.14.16
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.8
[INFO] [stderr]   Downloaded rustls v0.20.2
[INFO] [stderr]   Downloaded webpki-roots v0.22.2
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12c5001713ed254f94d8cdf2b79b50550434f7682c3695e4da6acc505c4e03ed
[INFO] running `Command { std: "docker" "start" "-a" "12c5001713ed254f94d8cdf2b79b50550434f7682c3695e4da6acc505c4e03ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c5001713ed254f94d8cdf2b79b50550434f7682c3695e4da6acc505c4e03ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c5001713ed254f94d8cdf2b79b50550434f7682c3695e4da6acc505c4e03ed", kill_on_drop: false }`
[INFO] [stdout] 12c5001713ed254f94d8cdf2b79b50550434f7682c3695e4da6acc505c4e03ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 536256e9ae18fb8533f089baba6eb13da3a154ff10f8b7f4ca5b4404ee7d53cb
[INFO] running `Command { std: "docker" "start" "-a" "536256e9ae18fb8533f089baba6eb13da3a154ff10f8b7f4ca5b4404ee7d53cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling serenity v0.10.10 (https://github.com/pascalharp/serenity?branch=modals#72306c61)
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.8
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking tokio-rustls v0.23.2
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking modal_testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.91s
[INFO] running `Command { std: "docker" "inspect" "536256e9ae18fb8533f089baba6eb13da3a154ff10f8b7f4ca5b4404ee7d53cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536256e9ae18fb8533f089baba6eb13da3a154ff10f8b7f4ca5b4404ee7d53cb", kill_on_drop: false }`
[INFO] [stdout] 536256e9ae18fb8533f089baba6eb13da3a154ff10f8b7f4ca5b4404ee7d53cb