[INFO] fetching crate serenity_ctrlc 0.3.0...
[INFO] building serenity_ctrlc-0.3.0 against master#c2804e6ec2c29a5c7368600ea173b890e2655c3d for pr-97334-1
[INFO] extracting crate serenity_ctrlc 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serenity_ctrlc 0.3.0 on toolchain c2804e6ec2c29a5c7368600ea173b890e2655c3d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serenity_ctrlc 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serenity_ctrlc 0.3.0
[INFO] tweaked toml for crates.io crate serenity_ctrlc 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate serenity_ctrlc 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.2.1
[INFO] [stderr]   Downloaded serde-value v0.7.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
[INFO] [stderr]   Downloaded tungstenite v0.17.2
[INFO] [stderr]   Downloaded async-tungstenite v0.17.2
[INFO] [stderr]   Downloaded typemap_rev v0.1.5
[INFO] [stderr]   Downloaded tokio-rustls v0.23.2
[INFO] [stderr]   Downloaded ordered-float v2.10.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.19
[INFO] [stderr]   Downloaded hyper v0.14.17
[INFO] [stderr]   Downloaded webpki-roots v0.22.2
[INFO] [stderr]   Downloaded rustls v0.20.3
[INFO] [stderr]   Downloaded serenity v0.11.2
[INFO] [stderr]   Downloaded windows-sys v0.32.0
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f943d5f8634553e5a9dfc8769c5cb681eb5eb5be23d23197fc3c80ebd7bda693
[INFO] running `Command { std: "docker" "start" "-a" "f943d5f8634553e5a9dfc8769c5cb681eb5eb5be23d23197fc3c80ebd7bda693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f943d5f8634553e5a9dfc8769c5cb681eb5eb5be23d23197fc3c80ebd7bda693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f943d5f8634553e5a9dfc8769c5cb681eb5eb5be23d23197fc3c80ebd7bda693", kill_on_drop: false }`
[INFO] [stdout] f943d5f8634553e5a9dfc8769c5cb681eb5eb5be23d23197fc3c80ebd7bda693
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8beb293b55c67a0d2b170c28f33a3d82da2d929ca2ea23387212df48bd97bc1f
[INFO] running `Command { std: "docker" "start" "-a" "8beb293b55c67a0d2b170c28f33a3d82da2d929ca2ea23387212df48bd97bc1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling futures-core v0.3.21
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[INFO] [stderr]    Compiling once_cell v1.9.0
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[INFO] [stderr]    Compiling ipnet v2.3.1
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[INFO] [stderr]    Compiling serenity v0.11.2
[INFO] [stderr]    Compiling typemap_rev v0.1.5
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[INFO] [stderr]    Compiling tinyvec v1.5.1
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[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling ctrlc v3.2.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tracing v0.1.30
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki-roots v0.22.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling tokio-rustls v0.23.2
[INFO] [stderr]    Compiling tungstenite v0.17.2
[INFO] [stderr]    Compiling async-tungstenite v0.17.2
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling serenity_ctrlc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "8beb293b55c67a0d2b170c28f33a3d82da2d929ca2ea23387212df48bd97bc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8beb293b55c67a0d2b170c28f33a3d82da2d929ca2ea23387212df48bd97bc1f", kill_on_drop: false }`
[INFO] [stdout] 8beb293b55c67a0d2b170c28f33a3d82da2d929ca2ea23387212df48bd97bc1f
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7548d88a288102f286becb95019fe819fbde57e512bdd3c7f9238733ab49ee67
[INFO] running `Command { std: "docker" "start" "-a" "7548d88a288102f286becb95019fe819fbde57e512bdd3c7f9238733ab49ee67", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling rustls v0.20.3
[INFO] [stderr]    Compiling webpki-roots v0.22.2
[INFO] [stderr]    Compiling tungstenite v0.17.2
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-rustls v0.23.2
[INFO] [stderr]    Compiling async-tungstenite v0.17.2
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling serenity v0.11.2
[INFO] [stderr]    Compiling serenity_ctrlc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "7548d88a288102f286becb95019fe819fbde57e512bdd3c7f9238733ab49ee67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7548d88a288102f286becb95019fe819fbde57e512bdd3c7f9238733ab49ee67", kill_on_drop: false }`
[INFO] [stdout] 7548d88a288102f286becb95019fe819fbde57e512bdd3c7f9238733ab49ee67