[INFO] cloning repository https://github.com/xiongchenyu6/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiongchenyu6/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongchenyu6%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongchenyu6%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05a4faf12ea85e44fadd3d4ae68a64a696efac3a
[INFO] building xiongchenyu6/learn_rust against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiongchenyu6%2Flearn_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiongchenyu6/learn_rust on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xiongchenyu6/learn_rust
[INFO] finished tweaking git repo https://github.com/xiongchenyu6/learn_rust
[INFO] tweaked toml for git repo https://github.com/xiongchenyu6/learn_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xiongchenyu6/learn_rust 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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 373e9aa4d66229bc81afd15c9aba0bf5106f7414c6bbf17c6f0b755d696a25e2
[INFO] running `Command { std: "docker" "start" "-a" "373e9aa4d66229bc81afd15c9aba0bf5106f7414c6bbf17c6f0b755d696a25e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "373e9aa4d66229bc81afd15c9aba0bf5106f7414c6bbf17c6f0b755d696a25e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373e9aa4d66229bc81afd15c9aba0bf5106f7414c6bbf17c6f0b755d696a25e2", kill_on_drop: false }`
[INFO] [stdout] 373e9aa4d66229bc81afd15c9aba0bf5106f7414c6bbf17c6f0b755d696a25e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b882e088f81dc6daf7b553b5490760ffc9594ebddd656a49a7676b3e5e616bd0
[INFO] running `Command { std: "docker" "start" "-a" "b882e088f81dc6daf7b553b5490760ffc9594ebddd656a49a7676b3e5e616bd0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling asn1-rs v0.5.2
[INFO] [stderr]    Compiling rocket_http v0.5.1
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling x25519-dalek v2.0.1
[INFO] [stderr]    Compiling ccm v0.5.0
[INFO] [stderr]    Compiling cbc v0.1.2
[INFO] [stderr]    Compiling sdp v0.6.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling der-parser v9.0.0
[INFO] [stderr]    Compiling der-parser v8.2.0
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling x509-parser v0.16.0
[INFO] [stderr]    Compiling primeorder v0.13.6
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling rocket_codegen v0.5.1
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling p384 v0.13.0
[INFO] [stderr]    Compiling p256 v0.13.2
[INFO] [stderr]    Compiling rcgen v0.13.1
[INFO] [stderr]    Compiling webrtc-util v0.9.0
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling serde_spanned v0.6.6
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling smol_str v0.2.2
[INFO] [stderr]    Compiling ubyte v0.10.4
[INFO] [stderr]    Compiling toml_edit v0.22.16
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling rtp v0.11.0
[INFO] [stderr]    Compiling stun v0.6.0
[INFO] [stderr]    Compiling rtcp v0.11.0
[INFO] [stderr]    Compiling webrtc-mdns v0.7.0
[INFO] [stderr]    Compiling webrtc-sctp v0.10.0
[INFO] [stderr]    Compiling webrtc-dtls v0.10.0
[INFO] [stderr]    Compiling webrtc-srtp v0.13.0
[INFO] [stderr]    Compiling webrtc-media v0.8.0
[INFO] [stderr]    Compiling turn v0.8.0
[INFO] [stderr]    Compiling interceptor v0.12.0
[INFO] [stderr]    Compiling webrtc-data v0.9.0
[INFO] [stderr]    Compiling toml v0.8.15
[INFO] [stderr]    Compiling webrtc-ice v0.11.0
[INFO] [stderr]    Compiling webrtc v0.11.0
[INFO] [stderr]    Compiling learn_rust_xxx v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "b882e088f81dc6daf7b553b5490760ffc9594ebddd656a49a7676b3e5e616bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b882e088f81dc6daf7b553b5490760ffc9594ebddd656a49a7676b3e5e616bd0", kill_on_drop: false }`
[INFO] [stdout] b882e088f81dc6daf7b553b5490760ffc9594ebddd656a49a7676b3e5e616bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 435aeb4fc2cb568d30ee6b2d5729c3f9ce3669afc42f92a0327d15da9339e3bd
[INFO] running `Command { std: "docker" "start" "-a" "435aeb4fc2cb568d30ee6b2d5729c3f9ce3669afc42f92a0327d15da9339e3bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust_xxx v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "435aeb4fc2cb568d30ee6b2d5729c3f9ce3669afc42f92a0327d15da9339e3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435aeb4fc2cb568d30ee6b2d5729c3f9ce3669afc42f92a0327d15da9339e3bd", kill_on_drop: false }`
[INFO] [stdout] 435aeb4fc2cb568d30ee6b2d5729c3f9ce3669afc42f92a0327d15da9339e3bd