[INFO] fetching crate s2n-quic-tls-default 0.31.0...
[INFO] checking s2n-quic-tls-default-0.31.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate s2n-quic-tls-default 0.31.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate s2n-quic-tls-default 0.31.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate s2n-quic-tls-default 0.31.0
[INFO] finished tweaking crates.io crate s2n-quic-tls-default 0.31.0
[INFO] tweaked toml for crates.io crate s2n-quic-tls-default 0.31.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 103 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding jobserver v0.1.26 (latest: v0.1.28)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding s2n-codec v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-quic-core v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-quic-crypto v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-quic-rustls v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-quic-tls v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-tls v0.0.39 (latest: v0.2.1)
[INFO] [stderr]       Adding s2n-tls-sys v0.0.39 (latest: v0.2.1)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[INFO] [stderr]       Adding zerocopy v0.6.6 (latest: v0.7.32)
[INFO] [stderr]       Adding zerocopy-derive v0.6.6 (latest: v0.7.32)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded s2n-quic-tls v0.31.0
[INFO] [stderr]   Downloaded mirai-annotations v1.12.0
[INFO] [stderr]   Downloaded zerocopy v0.6.6
[INFO] [stderr]   Downloaded s2n-codec v0.31.0
[INFO] [stderr]   Downloaded s2n-quic-crypto v0.31.0
[INFO] [stderr]   Downloaded aws-lc-rs v1.6.4
[INFO] [stderr]   Downloaded zerocopy-derive v0.6.6
[INFO] [stderr]   Downloaded s2n-quic-core v0.31.0
[INFO] [stderr]   Downloaded s2n-tls-sys v0.0.39
[INFO] [stderr]   Downloaded s2n-quic-rustls v0.31.0
[INFO] [stderr]   Downloaded s2n-tls v0.0.39
[INFO] [stderr]   Downloaded aws-lc-sys v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd06095158d4a901e85e29acde0722c05d9374a8f32f3bbee31d97e3f0326d80
[INFO] running `Command { std: "docker" "start" "-a" "fd06095158d4a901e85e29acde0722c05d9374a8f32f3bbee31d97e3f0326d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd06095158d4a901e85e29acde0722c05d9374a8f32f3bbee31d97e3f0326d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd06095158d4a901e85e29acde0722c05d9374a8f32f3bbee31d97e3f0326d80", kill_on_drop: false }`
[INFO] [stdout] fd06095158d4a901e85e29acde0722c05d9374a8f32f3bbee31d97e3f0326d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0bc1fb79973b2d0f9435302089beaadbad1e7797b560173fea4f3aed3b73cef
[INFO] running `Command { std: "docker" "start" "-a" "f0bc1fb79973b2d0f9435302089beaadbad1e7797b560173fea4f3aed3b73cef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling aws-lc-rs v1.6.4
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking mirai-annotations v1.12.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking errno v0.3.8
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling s2n-tls-sys v0.0.39
[INFO] [stderr]    Compiling aws-lc-sys v0.14.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling zerocopy-derive v0.6.6
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking zerocopy v0.6.6
[INFO] [stderr]     Checking s2n-codec v0.31.0
[INFO] [stderr]     Checking s2n-quic-core v0.31.0
[INFO] [stderr]     Checking s2n-tls v0.0.39
[INFO] [stderr]     Checking s2n-quic-crypto v0.31.0
[INFO] [stderr]     Checking s2n-quic-tls v0.31.0
[INFO] [stderr]     Checking s2n-quic-tls-default v0.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.31s
[INFO] running `Command { std: "docker" "inspect" "f0bc1fb79973b2d0f9435302089beaadbad1e7797b560173fea4f3aed3b73cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bc1fb79973b2d0f9435302089beaadbad1e7797b560173fea4f3aed3b73cef", kill_on_drop: false }`
[INFO] [stdout] f0bc1fb79973b2d0f9435302089beaadbad1e7797b560173fea4f3aed3b73cef
[INFO] checking s2n-quic-tls-default-0.31.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate s2n-quic-tls-default 0.31.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate s2n-quic-tls-default 0.31.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate s2n-quic-tls-default 0.31.0
[INFO] finished tweaking crates.io crate s2n-quic-tls-default 0.31.0
[INFO] tweaked toml for crates.io crate s2n-quic-tls-default 0.31.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 103 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding jobserver v0.1.26 (latest: v0.1.28)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding s2n-codec v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-quic-core v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-quic-crypto v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-quic-rustls v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-quic-tls v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding s2n-tls v0.0.39 (latest: v0.2.1)
[INFO] [stderr]       Adding s2n-tls-sys v0.0.39 (latest: v0.2.1)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[INFO] [stderr]       Adding zerocopy v0.6.6 (latest: v0.7.32)
[INFO] [stderr]       Adding zerocopy-derive v0.6.6 (latest: v0.7.32)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0958a5203eddb6251c218aa7e90250659fc3863fd21cdfb77affa04565ee1b2e
[INFO] running `Command { std: "docker" "start" "-a" "0958a5203eddb6251c218aa7e90250659fc3863fd21cdfb77affa04565ee1b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0958a5203eddb6251c218aa7e90250659fc3863fd21cdfb77affa04565ee1b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0958a5203eddb6251c218aa7e90250659fc3863fd21cdfb77affa04565ee1b2e", kill_on_drop: false }`
[INFO] [stdout] 0958a5203eddb6251c218aa7e90250659fc3863fd21cdfb77affa04565ee1b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b4a92e3170b914c469585dc6e29ff7ed07ba82c9cc6531ed06a81f1230b071d
[INFO] running `Command { std: "docker" "start" "-a" "8b4a92e3170b914c469585dc6e29ff7ed07ba82c9cc6531ed06a81f1230b071d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling aws-lc-rs v1.6.4
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking mirai-annotations v1.12.0
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking errno v0.3.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling s2n-tls-sys v0.0.39
[INFO] [stderr]    Compiling aws-lc-sys v0.14.1
[INFO] [stderr]    Compiling zerocopy-derive v0.6.6
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking zerocopy v0.6.6
[INFO] [stderr]     Checking s2n-codec v0.31.0
[INFO] [stderr]     Checking s2n-quic-core v0.31.0
[INFO] [stderr]     Checking s2n-tls v0.0.39
[INFO] [stderr]     Checking s2n-quic-crypto v0.31.0
[INFO] [stderr]     Checking s2n-quic-tls v0.31.0
[INFO] [stderr]     Checking s2n-quic-tls-default v0.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.67s
[INFO] running `Command { std: "docker" "inspect" "8b4a92e3170b914c469585dc6e29ff7ed07ba82c9cc6531ed06a81f1230b071d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4a92e3170b914c469585dc6e29ff7ed07ba82c9cc6531ed06a81f1230b071d", kill_on_drop: false }`
[INFO] [stdout] 8b4a92e3170b914c469585dc6e29ff7ed07ba82c9cc6531ed06a81f1230b071d